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591 media by topicpage 1 of 6
Historic Columbia River Highway, Horsetail Falls Bridge, Spanning Horsetail Falls Creek, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Horsetail Falls Bridge, Spanning Hors...

Significance: One of two nearly identical reinforced-concrete girder trestles on the Historic Columbia River Highway and one of four extant structures on the route that have a distinctive cap and arch concrete ... more

Historic Columbia River Highway, Oneonta Tunnel, Adjacent to Historic Columbia River Highway through Oneonta Point, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Oneonta Tunnel, Adjacent to Historic ...

Significance: One of four tunnels on the Historic Columbia River Highway. Survey number: HAER OR-36-L Building/structure dates: 1914 Initial Construction Building/structure dates: 1948 Subsequent Work Build... more

Historic Columbia River Highway, Wahkeena Falls Footbridge, Spanning Wahkeena Creek near Historic Columbia River Highway, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Wahkeena Falls Footbridge, Spanning W...

Survey number: HAER OR-36-F Building/structure dates: 1914 Initial Construction National Register of Historic Places NRIS Number: 83004168

Historic Columbia River Highway, Oneonta Gorge Creek Bridge, Spanning Oneonta Gorge Creek, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Oneonta Gorge Creek Bridge, Spanning ...

Significance: One of two nearly identical reinforced-concrete girder trestles on the Historic Columbia River Highway and one of four extant structures on the route that have a distinctive cap and arch concrete ... more

Historic Columbia River Highway, Oneonta Gorge Creek Bridge, Spanning Oneonta Gorge Creek, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Oneonta Gorge Creek Bridge, Spanning ...

Significance: One of two nearly identical reinforced-concrete girder trestles on the Historic Columbia River Highway and one of four extant structures on the route that have a distinctive cap and arch concrete ... more

Historic Columbia River Highway, Oneonta Gorge Creek Bridge, Spanning Oneonta Gorge Creek, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Oneonta Gorge Creek Bridge, Spanning ...

Significance: One of two nearly identical reinforced-concrete girder trestles on the Historic Columbia River Highway and one of four extant structures on the route that have a distinctive cap and arch concrete ... more

Historic Columbia River Highway, Oneonta Gorge Creek Bridge, Spanning Oneonta Gorge Creek, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Oneonta Gorge Creek Bridge, Spanning ...

Significance: One of two nearly identical reinforced-concrete girder trestles on the Historic Columbia River Highway and one of four extant structures on the route that have a distinctive cap and arch concrete ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Steel Bridge, Spanning Willamette River at State Route 99, Portland, Multnomah County, OR

Steel Bridge, Spanning Willamette River at State Route 99, Portland, M...

Significance: An early example of the Waddell-type vertical lift bridge, the Steel Bridge documents that, guided by Harrington, most features of the type achieved "standard" form by 1912. It also demonstrates ... more

Historic Columbia River Highway, Crown Point Viaduct, Encircling Vista House at Crown Point, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Crown Point Viaduct, Encircling Vista...

Significance: A half-viaduct designed to carry pedestrians around the outer edge of a spiral section of roadway around the top of a 725' promontory on the Historic Columbia River Highway. Ingenious use of rein... more

Historic Columbia River Highway, Crown Point Viaduct, Encircling Vista House at Crown Point, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Crown Point Viaduct, Encircling Vista...

Significance: A half-viaduct designed to carry pedestrians around the outer edge of a spiral section of roadway around the top of a 725' promontory on the Historic Columbia River Highway. Ingenious use of rein... more

Historic Columbia River Highway, Crown Point Viaduct, Encircling Vista House at Crown Point, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Crown Point Viaduct, Encircling Vista...

Significance: A half-viaduct designed to carry pedestrians around the outer edge of a spiral section of roadway around the top of a 725' promontory on the Historic Columbia River Highway. Ingenious use of rein... more

Historic Columbia River Highway, Crown Point Viaduct, Encircling Vista House at Crown Point, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Crown Point Viaduct, Encircling Vista...

Significance: A half-viaduct designed to carry pedestrians around the outer edge of a spiral section of roadway around the top of a 725' promontory on the Historic Columbia River Highway. Ingenious use of rein... more

Historic Columbia River Highway, Crown Point Viaduct, Encircling Vista House at Crown Point, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Crown Point Viaduct, Encircling Vista...

Significance: A half-viaduct designed to carry pedestrians around the outer edge of a spiral section of roadway around the top of a 725' promontory on the Historic Columbia River Highway. Ingenious use of rein... more

Historic Columbia River Highway, Crown Point Viaduct, Encircling Vista House at Crown Point, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Crown Point Viaduct, Encircling Vista...

Significance: A half-viaduct designed to carry pedestrians around the outer edge of a spiral section of roadway around the top of a 725' promontory on the Historic Columbia River Highway. Ingenious use of rein... more

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridge at Milepost 76.63 on Heppner Highway (Oregon Route 74), Pilot Rock, Umatilla County, OR

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridg...

Significance: The North Fork Butter Creek Bridge #1189, which is located in the community of Vinson on Heppner Highway in Umatilla County, was constructed in 1926. The Butter Creek Bridge is a 2-span reinforced... more

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridge at Milepost 76.63 on Heppner Highway (Oregon Route 74), Pilot Rock, Umatilla County, OR

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridg...

Significance: The North Fork Butter Creek Bridge #1189, which is located in the community of Vinson on Heppner Highway in Umatilla County, was constructed in 1926. The Butter Creek Bridge is a 2-span reinforced... more

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridge at Milepost 76.63 on Heppner Highway (Oregon Route 74), Pilot Rock, Umatilla County, OR

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridg...

Significance: The North Fork Butter Creek Bridge #1189, which is located in the community of Vinson on Heppner Highway in Umatilla County, was constructed in 1926. The Butter Creek Bridge is a 2-span reinforced... more

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridge at Milepost 76.63 on Heppner Highway (Oregon Route 74), Pilot Rock, Umatilla County, OR

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridg...

Significance: The North Fork Butter Creek Bridge #1189, which is located in the community of Vinson on Heppner Highway in Umatilla County, was constructed in 1926. The Butter Creek Bridge is a 2-span reinforced... more

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridge at Milepost 76.63 on Heppner Highway (Oregon Route 74), Pilot Rock, Umatilla County, OR

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridg...

Significance: The North Fork Butter Creek Bridge #1189, which is located in the community of Vinson on Heppner Highway in Umatilla County, was constructed in 1926. The Butter Creek Bridge is a 2-span reinforced... more

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridge at Milepost 76.63 on Heppner Highway (Oregon Route 74), Pilot Rock, Umatilla County, OR

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridg...

Significance: The North Fork Butter Creek Bridge #1189, which is located in the community of Vinson on Heppner Highway in Umatilla County, was constructed in 1926. The Butter Creek Bridge is a 2-span reinforced... more

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridge at Milepost 76.63 on Heppner Highway (Oregon Route 74), Pilot Rock, Umatilla County, OR

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridg...

Significance: The North Fork Butter Creek Bridge #1189, which is located in the community of Vinson on Heppner Highway in Umatilla County, was constructed in 1926. The Butter Creek Bridge is a 2-span reinforced... more

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridge at Milepost 76.63 on Heppner Highway (Oregon Route 74), Pilot Rock, Umatilla County, OR

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridg...

Significance: The North Fork Butter Creek Bridge #1189, which is located in the community of Vinson on Heppner Highway in Umatilla County, was constructed in 1926. The Butter Creek Bridge is a 2-span reinforced... more

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridge at Milepost 76.63 on Heppner Highway (Oregon Route 74), Pilot Rock, Umatilla County, OR

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridg...

Significance: The North Fork Butter Creek Bridge #1189, which is located in the community of Vinson on Heppner Highway in Umatilla County, was constructed in 1926. The Butter Creek Bridge is a 2-span reinforced... more

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridge at Milepost 76.63 on Heppner Highway (Oregon Route 74), Pilot Rock, Umatilla County, OR

North Fork Butter Creek Bridge, Spanning North Fork Butter Creek Bridg...

Significance: The North Fork Butter Creek Bridge #1189, which is located in the community of Vinson on Heppner Highway in Umatilla County, was constructed in 1926. The Butter Creek Bridge is a 2-span reinforced... more

Grande Ronde River Bridge, Sprnning Grande Ronde River on Old Oregon Trail Highway (Oregon Route 6), La Grande, Union County, OR

Grande Ronde River Bridge, Sprnning Grande Ronde River on Old Oregon T...

Significance: It is a 312'-long bridge with a main span comprised of a 134'-long reinforced concrete rib deck arch over the Grande Ronde River, and a 175'-long concrete viaduct crossing over the Union Pacific C... more

Grande Ronde River Bridge, Sprnning Grande Ronde River on Old Oregon Trail Highway (Oregon Route 6), La Grande, Union County, OR

Grande Ronde River Bridge, Sprnning Grande Ronde River on Old Oregon T...

Significance: It is a 312'-long bridge with a main span comprised of a 134'-long reinforced concrete rib deck arch over the Grande Ronde River, and a 175'-long concrete viaduct crossing over the Union Pacific C... more

Grande Ronde River Bridge, Sprnning Grande Ronde River on Old Oregon Trail Highway (Oregon Route 6), La Grande, Union County, OR

Grande Ronde River Bridge, Sprnning Grande Ronde River on Old Oregon T...

Significance: It is a 312'-long bridge with a main span comprised of a 134'-long reinforced concrete rib deck arch over the Grande Ronde River, and a 175'-long concrete viaduct crossing over the Union Pacific C... more

Grande Ronde River Bridge, Sprnning Grande Ronde River on Old Oregon Trail Highway (Oregon Route 6), La Grande, Union County, OR

Grande Ronde River Bridge, Sprnning Grande Ronde River on Old Oregon T...

Significance: It is a 312'-long bridge with a main span comprised of a 134'-long reinforced concrete rib deck arch over the Grande Ronde River, and a 175'-long concrete viaduct crossing over the Union Pacific C... more

Grande Ronde River Bridge, Sprnning Grande Ronde River on Old Oregon Trail Highway (Oregon Route 6), La Grande, Union County, OR

Grande Ronde River Bridge, Sprnning Grande Ronde River on Old Oregon T...

Significance: It is a 312'-long bridge with a main span comprised of a 134'-long reinforced concrete rib deck arch over the Grande Ronde River, and a 175'-long concrete viaduct crossing over the Union Pacific C... more

Grande Ronde River Bridge, Sprnning Grande Ronde River on Old Oregon Trail Highway (Oregon Route 6), La Grande, Union County, OR

Grande Ronde River Bridge, Sprnning Grande Ronde River on Old Oregon T...

Significance: It is a 312'-long bridge with a main span comprised of a 134'-long reinforced concrete rib deck arch over the Grande Ronde River, and a 175'-long concrete viaduct crossing over the Union Pacific C... more

Grande Ronde River Bridge, Sprnning Grande Ronde River on Old Oregon Trail Highway (Oregon Route 6), La Grande, Union County, OR

Grande Ronde River Bridge, Sprnning Grande Ronde River on Old Oregon T...

Significance: It is a 312'-long bridge with a main span comprised of a 134'-long reinforced concrete rib deck arch over the Grande Ronde River, and a 175'-long concrete viaduct crossing over the Union Pacific C... more

Grande Ronde River Bridge, Sprnning Grande Ronde River on Old Oregon Trail Highway (Oregon Route 6), La Grande, Union County, OR

Grande Ronde River Bridge, Sprnning Grande Ronde River on Old Oregon T...

Significance: It is a 312'-long bridge with a main span comprised of a 134'-long reinforced concrete rib deck arch over the Grande Ronde River, and a 175'-long concrete viaduct crossing over the Union Pacific C... more

Grande Ronde River Bridge, Sprnning Grande Ronde River on Old Oregon Trail Highway (Oregon Route 6), La Grande, Union County, OR

Grande Ronde River Bridge, Sprnning Grande Ronde River on Old Oregon T...

Significance: It is a 312'-long bridge with a main span comprised of a 134'-long reinforced concrete rib deck arch over the Grande Ronde River, and a 175'-long concrete viaduct crossing over the Union Pacific C... more

Grande Ronde River Bridge, Sprnning Grande Ronde River on Old Oregon Trail Highway (Oregon Route 6), La Grande, Union County, OR

Grande Ronde River Bridge, Sprnning Grande Ronde River on Old Oregon T...

Significance: It is a 312'-long bridge with a main span comprised of a 134'-long reinforced concrete rib deck arch over the Grande Ronde River, and a 175'-long concrete viaduct crossing over the Union Pacific C... more

Grande Ronde River Bridge, Sprnning Grande Ronde River on Old Oregon Trail Highway (Oregon Route 6), La Grande, Union County, OR

Grande Ronde River Bridge, Sprnning Grande Ronde River on Old Oregon T...

Significance: It is a 312'-long bridge with a main span comprised of a 134'-long reinforced concrete rib deck arch over the Grande Ronde River, and a 175'-long concrete viaduct crossing over the Union Pacific C... more

Grande Ronde River Bridge, Sprnning Grande Ronde River on Old Oregon Trail Highway (Oregon Route 6), La Grande, Union County, OR

Grande Ronde River Bridge, Sprnning Grande Ronde River on Old Oregon T...

Significance: It is a 312'-long bridge with a main span comprised of a 134'-long reinforced concrete rib deck arch over the Grande Ronde River, and a 175'-long concrete viaduct crossing over the Union Pacific C... more

McCord Creek Bridge, Spanning McCord Creek at Milepost 38.62 on Old Columbia River Highway (Highway No. 30), Warrendale, Multnomah County, OR

McCord Creek Bridge, Spanning McCord Creek at Milepost 38.62 on Old Co...

Significance: The McCord Creek Bridge is associated with the Columbia River Highway, a National Historic Landmark. Built over a ten-year period (1913-1922), the Columbia River Highway is nationally significant ... more

McCord Creek Bridge, Spanning McCord Creek at Milepost 38.62 on Old Columbia River Highway (Highway No. 30), Warrendale, Multnomah County, OR

McCord Creek Bridge, Spanning McCord Creek at Milepost 38.62 on Old Co...

Significance: The McCord Creek Bridge is associated with the Columbia River Highway, a National Historic Landmark. Built over a ten-year period (1913-1922), the Columbia River Highway is nationally significant ... more

McCord Creek Bridge, Spanning McCord Creek at Milepost 38.62 on Old Columbia River Highway (Highway No. 30), Warrendale, Multnomah County, OR

McCord Creek Bridge, Spanning McCord Creek at Milepost 38.62 on Old Co...

Significance: The McCord Creek Bridge is associated with the Columbia River Highway, a National Historic Landmark. Built over a ten-year period (1913-1922), the Columbia River Highway is nationally significant ... more

McCord Creek Bridge, Spanning McCord Creek at Milepost 38.62 on Old Columbia River Highway (Highway No. 30), Warrendale, Multnomah County, OR

McCord Creek Bridge, Spanning McCord Creek at Milepost 38.62 on Old Co...

Significance: The McCord Creek Bridge is associated with the Columbia River Highway, a National Historic Landmark. Built over a ten-year period (1913-1922), the Columbia River Highway is nationally significant ... more

McCord Creek Bridge, Spanning McCord Creek at Milepost 38.62 on Old Columbia River Highway (Highway No. 30), Warrendale, Multnomah County, OR

McCord Creek Bridge, Spanning McCord Creek at Milepost 38.62 on Old Co...

Significance: The McCord Creek Bridge is associated with the Columbia River Highway, a National Historic Landmark. Built over a ten-year period (1913-1922), the Columbia River Highway is nationally significant ... more

Historic Columbia River Highway, Mosier Creek Bridge, Spanning Mosier Creek carrying Historic Columbia River Highway, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Mosier Creek Bridge, Spanning Mosier ...

Survey number: HAER OR-36-U National Register of Historic Places NRIS Number: 83004168

Historic Columbia River Highway, Mosier Creek Bridge, Spanning Mosier Creek carrying Historic Columbia River Highway, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Mosier Creek Bridge, Spanning Mosier ...

Survey number: HAER OR-36-U National Register of Historic Places NRIS Number: 83004168

Historic Columbia River Highway, Mosier Creek Bridge, Spanning Mosier Creek carrying Historic Columbia River Highway, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Mosier Creek Bridge, Spanning Mosier ...

Survey number: HAER OR-36-U National Register of Historic Places NRIS Number: 83004168

Historic Columbia River Highway, Mosier Creek Bridge, Spanning Mosier Creek carrying Historic Columbia River Highway, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Mosier Creek Bridge, Spanning Mosier ...

Survey number: HAER OR-36-U National Register of Historic Places NRIS Number: 83004168

Historic Columbia River Highway, Mosier Creek Bridge, Spanning Mosier Creek carrying Historic Columbia River Highway, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Mosier Creek Bridge, Spanning Mosier ...

Survey number: HAER OR-36-U National Register of Historic Places NRIS Number: 83004168

Historic Columbia River Highway, Sandy River Bridge at Troutdale, Historic Columbia River Highway spanning Sandy River, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Sandy River Bridge at Troutdale, Hist...

Significance: First modern bridge constructed on what became the Historic Columbia River Highway. Designed by the premier bridge engineering firm of Waddell and Harrington, which also created the 1912 Steel Br... more

Historic Columbia River Highway, Sandy River Bridge at Troutdale, Historic Columbia River Highway spanning Sandy River, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Sandy River Bridge at Troutdale, Hist...

Significance: First modern bridge constructed on what became the Historic Columbia River Highway. Designed by the premier bridge engineering firm of Waddell and Harrington, which also created the 1912 Steel Br... more

Historic Columbia River Highway, Sandy River Bridge at Troutdale, Historic Columbia River Highway spanning Sandy River, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Sandy River Bridge at Troutdale, Hist...

Significance: First modern bridge constructed on what became the Historic Columbia River Highway. Designed by the premier bridge engineering firm of Waddell and Harrington, which also created the 1912 Steel Br... more

Historic Columbia River Highway, Sandy River Bridge at Troutdale, Historic Columbia River Highway spanning Sandy River, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Sandy River Bridge at Troutdale, Hist...

Significance: First modern bridge constructed on what became the Historic Columbia River Highway. Designed by the premier bridge engineering firm of Waddell and Harrington, which also created the 1912 Steel Br... more

Historic Columbia River Highway, Sandy River Bridge at Troutdale, Historic Columbia River Highway spanning Sandy River, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Sandy River Bridge at Troutdale, Hist...

Significance: First modern bridge constructed on what became the Historic Columbia River Highway. Designed by the premier bridge engineering firm of Waddell and Harrington, which also created the 1912 Steel Br... more

Historic Columbia River Highway, Sandy River Bridge at Troutdale, Historic Columbia River Highway spanning Sandy River, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Sandy River Bridge at Troutdale, Hist...

Significance: First modern bridge constructed on what became the Historic Columbia River Highway. Designed by the premier bridge engineering firm of Waddell and Harrington, which also created the 1912 Steel Br... more

Historic Columbia River Highway, Sandy River Bridge at Troutdale, Historic Columbia River Highway spanning Sandy River, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Sandy River Bridge at Troutdale, Hist...

Significance: First modern bridge constructed on what became the Historic Columbia River Highway. Designed by the premier bridge engineering firm of Waddell and Harrington, which also created the 1912 Steel Br... more

Historic Columbia River Highway, Eagle Creek Bridge, Spanning Eagle Creek on Historic Columbia River Highway, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Eagle Creek Bridge, Spanning Eagle Cr...

Significance: The only stone-veneered reinforced-concrete arch bridge and one of only eight arch spans on the Historic Columbia River Highway. It is the last bridge in the Multnomah County section of the Histo... more

Historic Columbia River Highway, Eagle Creek Bridge, Spanning Eagle Creek on Historic Columbia River Highway, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Eagle Creek Bridge, Spanning Eagle Cr...

Significance: The only stone-veneered reinforced-concrete arch bridge and one of only eight arch spans on the Historic Columbia River Highway. It is the last bridge in the Multnomah County section of the Histo... more

Historic Columbia River Highway, Eagle Creek Bridge, Spanning Eagle Creek on Historic Columbia River Highway, Troutdale, Multnomah County, OR

Historic Columbia River Highway, Eagle Creek Bridge, Spanning Eagle Cr...

Significance: The only stone-veneered reinforced-concrete arch bridge and one of only eight arch spans on the Historic Columbia River Highway. It is the last bridge in the Multnomah County section of the Histo... more

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, on Warrenton Highway (Highway No. 9), Astoria, Clatsop County, OR

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, ...

Significance: It is Oregon's only remaining single-leaf bascule draw span built before WWII and is an early moveable span bridge designed by state bridge engineer Conde B. McCullough. The bridge is significant ... more

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, on Warrenton Highway (Highway No. 9), Astoria, Clatsop County, OR

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, ...

Significance: It is Oregon's only remaining single-leaf bascule draw span built before WWII and is an early moveable span bridge designed by state bridge engineer Conde B. McCullough. The bridge is significant ... more

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, on Warrenton Highway (Highway No. 9), Astoria, Clatsop County, OR

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, ...

Significance: It is Oregon's only remaining single-leaf bascule draw span built before WWII and is an early moveable span bridge designed by state bridge engineer Conde B. McCullough. The bridge is significant ... more

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, on Warrenton Highway (Highway No. 9), Astoria, Clatsop County, OR

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, ...

Significance: It is Oregon's only remaining single-leaf bascule draw span built before WWII and is an early moveable span bridge designed by state bridge engineer Conde B. McCullough. The bridge is significant ... more

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, on Warrenton Highway (Highway No. 9), Astoria, Clatsop County, OR

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, ...

Significance: It is Oregon's only remaining single-leaf bascule draw span built before WWII and is an early moveable span bridge designed by state bridge engineer Conde B. McCullough. The bridge is significant ... more

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, on Warrenton Highway (Highway No. 9), Astoria, Clatsop County, OR

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, ...

Significance: It is Oregon's only remaining single-leaf bascule draw span built before WWII and is an early moveable span bridge designed by state bridge engineer Conde B. McCullough. The bridge is significant ... more

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, on Warrenton Highway (Highway No. 9), Astoria, Clatsop County, OR

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, ...

Significance: It is Oregon's only remaining single-leaf bascule draw span built before WWII and is an early moveable span bridge designed by state bridge engineer Conde B. McCullough. The bridge is significant ... more

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, on Warrenton Highway (Highway No. 9), Astoria, Clatsop County, OR

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, ...

Significance: It is Oregon's only remaining single-leaf bascule draw span built before WWII and is an early moveable span bridge designed by state bridge engineer Conde B. McCullough. The bridge is significant ... more

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, on Warrenton Highway (Highway No. 9), Astoria, Clatsop County, OR

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, ...

Significance: It is Oregon's only remaining single-leaf bascule draw span built before WWII and is an early moveable span bridge designed by state bridge engineer Conde B. McCullough. The bridge is significant ... more

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, on Warrenton Highway (Highway No. 9), Astoria, Clatsop County, OR

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, ...

Significance: It is Oregon's only remaining single-leaf bascule draw span built before WWII and is an early moveable span bridge designed by state bridge engineer Conde B. McCullough. The bridge is significant ... more

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, on Warrenton Highway (Highway No. 9), Astoria, Clatsop County, OR

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, ...

Significance: It is Oregon's only remaining single-leaf bascule draw span built before WWII and is an early moveable span bridge designed by state bridge engineer Conde B. McCullough. The bridge is significant ... more

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, on Warrenton Highway (Highway No. 9), Astoria, Clatsop County, OR

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, ...

Significance: It is Oregon's only remaining single-leaf bascule draw span built before WWII and is an early moveable span bridge designed by state bridge engineer Conde B. McCullough. The bridge is significant ... more

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, on Warrenton Highway (Highway No. 9), Astoria, Clatsop County, OR

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, ...

Significance: It is Oregon's only remaining single-leaf bascule draw span built before WWII and is an early moveable span bridge designed by state bridge engineer Conde B. McCullough. The bridge is significant ... more

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, on Warrenton Highway (Highway No. 9), Astoria, Clatsop County, OR

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, ...

Significance: It is Oregon's only remaining single-leaf bascule draw span built before WWII and is an early moveable span bridge designed by state bridge engineer Conde B. McCullough. The bridge is significant ... more

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, on Warrenton Highway (Highway No. 9), Astoria, Clatsop County, OR

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, ...

Significance: It is Oregon's only remaining single-leaf bascule draw span built before WWII and is an early moveable span bridge designed by state bridge engineer Conde B. McCullough. The bridge is significant ... more

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, on Warrenton Highway (Highway No. 9), Astoria, Clatsop County, OR

Lewis & Clark Bridge, Spanning Lewis & Clark River at Milepoint 4.78, ...

Significance: It is Oregon's only remaining single-leaf bascule draw span built before WWII and is an early moveable span bridge designed by state bridge engineer Conde B. McCullough. The bridge is significant ... more

Grave Creek Bridge, Spanning Grave Creek on Sunny Valley Loop Road, Sunny Valley, Josephine County, OR

Grave Creek Bridge, Spanning Grave Creek on Sunny Valley Loop Road, Su...

Significance: Achieves statewide significance as part of a thematic group of timber-constructed, covered bridges of Oregon, and it is the last remaining covered bridge in Josephine County. It is an intact examp... more

Grave Creek Bridge, Spanning Grave Creek on Sunny Valley Loop Road, Sunny Valley, Josephine County, OR

Grave Creek Bridge, Spanning Grave Creek on Sunny Valley Loop Road, Su...

Significance: Achieves statewide significance as part of a thematic group of timber-constructed, covered bridges of Oregon, and it is the last remaining covered bridge in Josephine County. It is an intact examp... more

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