Cape Creek Bridge, Spanning Cape Creek at Oregon Coast Highway, Floren...
Significance: The Cape Creek Bridge is an example of an ancient bridge design combined with early twentieth-century use of reinforced concrete construction techniques. While reminiscent of Roman stone aqueduct... More
Big Creek Bridge, Spanning Big Creek on Oregon Coast Highway (US101), ...
Significance: The Big Creek Bridge is significant as one of the earliest examples of reinforced concrete tied-arch bridge construction in the Pacific Northwest region of the United States. The Big Creek Bridge... More
Big Creek Bridge, Spanning Big Creek on Oregon Coast Highway (US101), ...
Significance: The Big Creek Bridge is significant as one of the earliest examples of reinforced concrete tied-arch bridge construction in the Pacific Northwest region of the United States. The Big Creek Bridge... More
Neawanna Creek Bridge, Spanning Neawanna Creek at Milepoint 19.72 on U...
Significance: The Neawanna Creek Bridge #1305 is significant as an intact example of a 1930s continuous concrete, multi-span highway bridge, utilizing Hardy Cross's moment distribution theory, and for its assoc... More
Neawanna Creek Bridge, Spanning Neawanna Creek at Milepoint 19.72 on U...
Significance: The Neawanna Creek Bridge #1305 is significant as an intact example of a 1930s continuous concrete, multi-span highway bridge, utilizing Hardy Cross's moment distribution theory, and for its assoc... More
Siuslaw River Bridge, Spanning Siuslaw River at Oregon Coast Highway, ...
Significance: The Siuslaw River Bridge is historically significant as one of five Depression-era bridges that completed the Oregon Coast Highway. For Oregon's southern coastal region, the completion of these b... More
Siuslaw River Bridge, Spanning Siuslaw River at Oregon Coast Highway, ...
Significance: The Siuslaw River Bridge is historically significant as one of five Depression-era bridges that completed the Oregon Coast Highway. For Oregon's southern coastal region, the completion of these b... More
Pilot Butte Canal, Bend, Deschutes County, OR
Significance: Construction and completion of the canal in 1904 introduced irrigation to Central Oregon and contributed to the settlement, growth and creation of Bend. Although several other private irrigation c... More
Pilot Butte Canal, Bend, Deschutes County, OR
Significance: Construction and completion of the canal in 1904 introduced irrigation to Central Oregon and contributed to the settlement, growth and creation of Bend. Although several other private irrigation c... More
Coos Bay Bridge, Spanning Coos Bay on Oregon Coast Highway, North Bend...
Significance: The Coos Bay Bridge is historically significant as one of the five Depression-era PWA bridges that completed the Oregon Coast Highway. The completion of these bridges marks the dividing line betw... More
Coos Bay Bridge, Spanning Coos Bay on Oregon Coast Highway, North Bend...
Significance: The Coos Bay Bridge is historically significant as one of the five Depression-era PWA bridges that completed the Oregon Coast Highway. The completion of these bridges marks the dividing line betw... More
Larwood Bridge, Spanning Crabtree Creek, Fish Hatchery Road (CR 648), ...
Significance: Larwood Bridge is one of the best surviving examples of the standard Howe truss covered bridge designed by the Oregon State Highway Commission in early 20th century. It illustrates the open-sided... More
Historic Columbia River Highway, Mosier Twin Tunnels, East of Mosier, ...
Significance: The only set of highway tunnels with adits or windows in Oregon. One of the few examples of this type of tunnel in the United States. Survey number: HAER OR-36-T Building/structure dates: 1920 ... More
Historic Columbia River Highway, Mosier Twin Tunnels, East of Mosier, ...
Significance: The only set of highway tunnels with adits or windows in Oregon. One of the few examples of this type of tunnel in the United States. Survey number: HAER OR-36-T Building/structure dates: 1920 ... More
Historic Columbia River Highway, Mosier Twin Tunnels, East of Mosier, ...
Significance: The only set of highway tunnels with adits or windows in Oregon. One of the few examples of this type of tunnel in the United States. Survey number: HAER OR-36-T Building/structure dates: 1920 ... More
Broadway Bridge, Spanning Willamette River at Broadway Street, Portlan...
Significance: The Broadway Bridge is the first bascule span built in Portland and, at the time constructed, the longest in the United States. Its completion resulted in a dramatic shift in land values and busi... More
Broadway Bridge, Spanning Willamette River at Broadway Street, Portlan...
Significance: The Broadway Bridge is the first bascule span built in Portland and, at the time constructed, the longest in the United States. Its completion resulted in a dramatic shift in land values and busi... More
Broadway Bridge, Spanning Willamette River at Broadway Street, Portlan...
Significance: The Broadway Bridge is the first bascule span built in Portland and, at the time constructed, the longest in the United States. Its completion resulted in a dramatic shift in land values and busi... More
Broadway Bridge, Spanning Willamette River at Broadway Street, Portlan...
Significance: The Broadway Bridge is the first bascule span built in Portland and, at the time constructed, the longest in the United States. Its completion resulted in a dramatic shift in land values and busi... More
Broadway Bridge, Spanning Willamette River at Broadway Street, Portlan...
Significance: The Broadway Bridge is the first bascule span built in Portland and, at the time constructed, the longest in the United States. Its completion resulted in a dramatic shift in land values and busi... More
University of Oregon Museum of Art, 1470 Johnson Lane, Eugene, Lane Co...
Significance: The University of Oregon Museum of Art is listed in the National Register of Historic Places. The National Register nominations states that the museum's historic significance: "centers on the his... More
University of Oregon Museum of Art, 1470 Johnson Lane, Eugene, Lane Co...
Significance: The University of Oregon Museum of Art is listed in the National Register of Historic Places. The National Register nominations states that the museum's historic significance: "centers on the his... More
University of Oregon Museum of Art, 1470 Johnson Lane, Eugene, Lane Co...
Significance: The University of Oregon Museum of Art is listed in the National Register of Historic Places. The National Register nominations states that the museum's historic significance: "centers on the his... More
University of Oregon Museum of Art, 1470 Johnson Lane, Eugene, Lane Co...
Significance: The University of Oregon Museum of Art is listed in the National Register of Historic Places. The National Register nominations states that the museum's historic significance: "centers on the his... More
University of Oregon Museum of Art, 1470 Johnson Lane, Eugene, Lane Co...
Significance: The University of Oregon Museum of Art is listed in the National Register of Historic Places. The National Register nominations states that the museum's historic significance: "centers on the his... More
University of Oregon Museum of Art, 1470 Johnson Lane, Eugene, Lane Co...
Significance: The University of Oregon Museum of Art is listed in the National Register of Historic Places. The National Register nominations states that the museum's historic significance: "centers on the his... More
University of Oregon Museum of Art, 1470 Johnson Lane, Eugene, Lane Co...
Significance: The University of Oregon Museum of Art is listed in the National Register of Historic Places. The National Register nominations states that the museum's historic significance: "centers on the his... More
University of Oregon Museum of Art, 1470 Johnson Lane, Eugene, Lane Co...
Significance: The University of Oregon Museum of Art is listed in the National Register of Historic Places. The National Register nominations states that the museum's historic significance: "centers on the his... More
Hawthorne Bridge, Spanning Willamette River at Hawthorne Boulevard & M...
Significance: The Hawthorne Bridge is the oldest extant vertical lift bridge in the United States. It is the oldest of Portland's Willamette bridges, initiating the replacement of earlier swing spans. Designed ... More
Hawthorne Bridge, Spanning Willamette River at Hawthorne Boulevard & M...
Significance: The Hawthorne Bridge is the oldest extant vertical lift bridge in the United States. It is the oldest of Portland's Willamette bridges, initiating the replacement of earlier swing spans. Designed ... More
St. John's Bridge, Spans Willamette River at US Highway 30, Portland, ...
Significance: The St. John's Bridge is significant for its design and for its representation among suspension bridges in the Trans-Mississippi West and in Oregon. At the time of its completion, the bridge had ... More
St. John's Bridge, Spans Willamette River at US Highway 30, Portland, ...
Significance: The St. John's Bridge is significant for its design and for its representation among suspension bridges in the Trans-Mississippi West and in Oregon. At the time of its completion, the bridge had ... More
St. John's Bridge, Spans Willamette River at US Highway 30, Portland, ...
Significance: The St. John's Bridge is significant for its design and for its representation among suspension bridges in the Trans-Mississippi West and in Oregon. At the time of its completion, the bridge had ... More
Fremont Bridge, Spanning Willamette River, carrying Interstate 405 nor...
Significance: Opened in 1973, and the epitome of high-tech, the graceful Fremont Bridge is still both the longest bridge (main span) in Oregon and the longest tied arch bridge in the world. Its 6,000-ton cente... More
Fremont Bridge, Spanning Willamette River, carrying Interstate 405 nor...
Significance: Opened in 1973, and the epitome of high-tech, the graceful Fremont Bridge is still both the longest bridge (main span) in Oregon and the longest tied arch bridge in the world. Its 6,000-ton cente... More
Burnside Bridge, Spanning Willamette River at Burnside Street, Portlan...
Significance: Burnside Bridge is one in an ensemble of twelve monumental highway bridges across the lower Willamette River, and one of five Portland span bridges (with Ross Island Bridge, Sellwood Bridge, Lovej... More
Yaquina Bay Bridge, Spans Yaquina Bay at Oregon Coast Highway, Newport...
Significance: Yaquina Bay Bridge is an excellent example of the work of Conde B. McCullough, Oregon State Bridge Engineer from 1919 to 1946. It is one of five multi-span arch bridges designed by McCullough for... More
Oregon Electric Railroad, Turnout, Garden Home to Wilsonville Segment,...
Survey number: HAER OR-113-A Public domain photograph - historical image of Oregon, United States, free to use, no copyright restrictions image - Picryl description
Coos Bay Bridge, Spanning Coos Bay on Oregon Coast Highway, North Bend...
Significance: The Coos Bay Bridge is historically significant as one of the five Depression-era PWA bridges that completed the Oregon Coast Highway. The completion of these bridges marks the dividing line betw... More
Fremont Bridge, Spanning Willamette River, carrying Interstate 405 nor...
Significance: Opened in 1973, and the epitome of high-tech, the graceful Fremont Bridge is still both the longest bridge (main span) in Oregon and the longest tied arch bridge in the world. Its 6,000-ton cente... More
Fremont Bridge, Spanning Willamette River, carrying Interstate 405 nor...
Significance: Opened in 1973, and the epitome of high-tech, the graceful Fremont Bridge is still both the longest bridge (main span) in Oregon and the longest tied arch bridge in the world. Its 6,000-ton cente... More
Umpqua River Bridge, Spanning Umpqua River at Oregon Coast Highway, Re...
Significance: The Umpqua River Bridge is historically significant as one of the five Depression-era PWA bridges that connected the Oregon Coast Highway. The completion of these bridges is considered the dividi... More
Umpqua River Bridge, Spanning Umpqua River at Oregon Coast Highway, Re...
Significance: The Umpqua River Bridge is historically significant as one of the five Depression-era PWA bridges that connected the Oregon Coast Highway. The completion of these bridges is considered the dividi... More
Drift Creek Bridge, Spanning Drift Creek on Drift Creek County Road, L...
Survey number: HAER OR-110 Building/structure dates: 1933 Initial Construction Building/structure dates: 2001 Subsequent Work
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
Rouge River Bridge, Spanning Rouge River on Depot Street, Rogue River,...
The original survey incorrectly called the bridge "Rouge River Bridge." The name has been corrected to "Rogue River Bridge." The same change was made to the address. Significance: Completed in 1950, the Rogue R... More
Long-Allen Bridge, Texas Street Bridge, Spanning the Red River on US 8...
Significance: The Long-Allen Bridge is significant as the first vehicular and pedestrian bridge crossing the Red River in Shreveport. Bridge construction began in September of 1931 and the bridge was formally o... More
Long-Allen Bridge, Texas Street Bridge, Spanning the Red River on US 8...
Significance: The Long-Allen Bridge is significant as the first vehicular and pedestrian bridge crossing the Red River in Shreveport. Bridge construction began in September of 1931 and the bridge was formally o... More
Big Creek Bridge, Spanning Big Creek on Oregon Coast Highway (US101), ...
Significance: The Big Creek Bridge is significant as one of the earliest examples of reinforced concrete tied-arch bridge construction in the Pacific Northwest region of the United States. The Big Creek Bridge... More
Siuslaw River Bridge, Spanning Siuslaw River at Oregon Coast Highway, ...
Significance: The Siuslaw River Bridge is historically significant as one of five Depression-era bridges that completed the Oregon Coast Highway. For Oregon's southern coastal region, the completion of these b... More
Coos Bay Bridge, Spanning Coos Bay on Oregon Coast Highway, North Bend...
Significance: The Coos Bay Bridge is historically significant as one of the five Depression-era PWA bridges that completed the Oregon Coast Highway. The completion of these bridges marks the dividing line betw... More
Larwood Bridge, Spanning Crabtree Creek, Fish Hatchery Road (CR 648), ...
Significance: Larwood Bridge is one of the best surviving examples of the standard Howe truss covered bridge designed by the Oregon State Highway Commission in early 20th century. It illustrates the open-sided... More
Broadway Bridge, Spanning Willamette River at Broadway Street, Portlan...
Significance: The Broadway Bridge is the first bascule span built in Portland and, at the time constructed, the longest in the United States. Its completion resulted in a dramatic shift in land values and busi... More
Broadway Bridge, Spanning Willamette River at Broadway Street, Portlan...
Significance: The Broadway Bridge is the first bascule span built in Portland and, at the time constructed, the longest in the United States. Its completion resulted in a dramatic shift in land values and busi... More
University of Oregon Museum of Art, 1470 Johnson Lane, Eugene, Lane Co...
Significance: The University of Oregon Museum of Art is listed in the National Register of Historic Places. The National Register nominations states that the museum's historic significance: "centers on the his... More
Fremont Bridge, Spanning Willamette River, carrying Interstate 405 nor...
Significance: Opened in 1973, and the epitome of high-tech, the graceful Fremont Bridge is still both the longest bridge (main span) in Oregon and the longest tied arch bridge in the world. Its 6,000-ton cente... More
Fremont Bridge, Spanning Willamette River, carrying Interstate 405 nor...
Significance: Opened in 1973, and the epitome of high-tech, the graceful Fremont Bridge is still both the longest bridge (main span) in Oregon and the longest tied arch bridge in the world. Its 6,000-ton cente... More
Burnside Bridge, Spanning Willamette River at Burnside Street, Portlan...
Significance: Burnside Bridge is one in an ensemble of twelve monumental highway bridges across the lower Willamette River, and one of five Portland span bridges (with Ross Island Bridge, Sellwood Bridge, Lovej... More
Cape Creek Bridge, Spanning Cape Creek at Oregon Coast Highway, Floren...
Significance: The Cape Creek Bridge is an example of an ancient bridge design combined with early twentieth-century use of reinforced concrete construction techniques. While reminiscent of Roman stone aqueduct... More
North Canal Dam & Diversion Canals, North Canal, North Division Street...
Survey number: HAER OR-61-D National Register of Historic Places NRIS Number: 100001303
Siuslaw River Bridge, Spanning Siuslaw River at Oregon Coast Highway, ...
Significance: The Siuslaw River Bridge is historically significant as one of five Depression-era bridges that completed the Oregon Coast Highway. For Oregon's southern coastal region, the completion of these b... More
Hawthorne Bridge, Spanning Willamette River at Hawthorne Boulevard & M...
Significance: The Hawthorne Bridge is the oldest extant vertical lift bridge in the United States. It is the oldest of Portland's Willamette bridges, initiating the replacement of earlier swing spans. Designed ... More
St. John's Bridge, Spans Willamette River at US Highway 30, Portland, ...
Significance: The St. John's Bridge is significant for its design and for its representation among suspension bridges in the Trans-Mississippi West and in Oregon. At the time of its completion, the bridge had ... More
Willamette River Bridge, Spanning Willamette River on Oswego Highway 3...
Significance: The Willamette River Bridge (commonly called the Oregon City Arch Bridge) is 745' long with a 360-foot steel through arch of box-girder construction, encased in gunite. The gunite encasement was ... More
Yaquina Bay Bridge, Spans Yaquina Bay at Oregon Coast Highway, Newport...
Significance: Yaquina Bay Bridge is an excellent example of the work of Conde B. McCullough, Oregon State Bridge Engineer from 1919 to 1946. It is one of five multi-span arch bridges designed by McCullough for... More
Coos Bay Bridge, Spanning Coos Bay on Oregon Coast Highway, North Bend...
Significance: The Coos Bay Bridge is historically significant as one of the five Depression-era PWA bridges that completed the Oregon Coast Highway. The completion of these bridges marks the dividing line betw... More
University of Oregon Museum of Art, 1470 Johnson Lane, Eugene, Lane Co...
Significance: The University of Oregon Museum of Art is listed in the National Register of Historic Places. The National Register nominations states that the museum's historic significance: "centers on the his... More
Hawthorne Bridge, Spanning Willamette River at Hawthorne Boulevard & M...
Significance: The Hawthorne Bridge is the oldest extant vertical lift bridge in the United States. It is the oldest of Portland's Willamette bridges, initiating the replacement of earlier swing spans. Designed ... More
Burnside Bridge, Spanning Willamette River at Burnside Street, Portlan...
Significance: Burnside Bridge is one in an ensemble of twelve monumental highway bridges across the lower Willamette River, and one of five Portland span bridges (with Ross Island Bridge, Sellwood Bridge, Lovej... More
Burnside Bridge, Spanning Willamette River at Burnside Street, Portlan...
Significance: Burnside Bridge is one in an ensemble of twelve monumental highway bridges across the lower Willamette River, and one of five Portland span bridges (with Ross Island Bridge, Sellwood Bridge, Lovej... More
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
Robertson Bridge, Spanning Rogue River on Rogue River Highway Loop No....
Survey number: HAER OR-109 Public domain photograph - historical image of Oregon, United States, free to use, no copyright restrictions image - Picryl description
Pilot Butte Canal, Bend, Deschutes County, OR
Significance: Construction and completion of the canal in 1904 introduced irrigation to Central Oregon and contributed to the settlement, growth and creation of Bend. Although several other private irrigation c... More
Larwood Bridge, Spanning Crabtree Creek, Fish Hatchery Road (CR 648), ...
Significance: Larwood Bridge is one of the best surviving examples of the standard Howe truss covered bridge designed by the Oregon State Highway Commission in early 20th century. It illustrates the open-sided... More
Hawthorne Bridge, Spanning Willamette River at Hawthorne Boulevard & M...
Significance: The Hawthorne Bridge is the oldest extant vertical lift bridge in the United States. It is the oldest of Portland's Willamette bridges, initiating the replacement of earlier swing spans. Designed ... More
St. John's Bridge, Spans Willamette River at US Highway 30, Portland, ...
Significance: The St. John's Bridge is significant for its design and for its representation among suspension bridges in the Trans-Mississippi West and in Oregon. At the time of its completion, the bridge had ... More
St. John's Bridge, Spans Willamette River at US Highway 30, Portland, ...
Significance: The St. John's Bridge is significant for its design and for its representation among suspension bridges in the Trans-Mississippi West and in Oregon. At the time of its completion, the bridge had ... More
Fremont Bridge, Spanning Willamette River, carrying Interstate 405 nor...
Significance: Opened in 1973, and the epitome of high-tech, the graceful Fremont Bridge is still both the longest bridge (main span) in Oregon and the longest tied arch bridge in the world. Its 6,000-ton cente... More
Fremont Bridge, Spanning Willamette River, carrying Interstate 405 nor...
Significance: Opened in 1973, and the epitome of high-tech, the graceful Fremont Bridge is still both the longest bridge (main span) in Oregon and the longest tied arch bridge in the world. Its 6,000-ton cente... More
Fremont Bridge, Spanning Willamette River, carrying Interstate 405 nor...
Significance: Opened in 1973, and the epitome of high-tech, the graceful Fremont Bridge is still both the longest bridge (main span) in Oregon and the longest tied arch bridge in the world. Its 6,000-ton cente... More
Umpqua River Bridge, Spanning Umpqua River at Oregon Coast Highway, Re...
Significance: The Umpqua River Bridge is historically significant as one of the five Depression-era PWA bridges that connected the Oregon Coast Highway. The completion of these bridges is considered the dividi... More
Willamette River Bridge, Spanning Willamette River on Oswego Highway 3...
Significance: The Willamette River Bridge (commonly called the Oregon City Arch Bridge) is 745' long with a 360-foot steel through arch of box-girder construction, encased in gunite. The gunite encasement was ... More
Siuslaw River Bridge, Spanning Siuslaw River at Oregon Coast Highway, ...
Significance: The Siuslaw River Bridge is historically significant as one of five Depression-era bridges that completed the Oregon Coast Highway. For Oregon's southern coastal region, the completion of these b... More
Pilot Butte Canal, Bend, Deschutes County, OR
Significance: Construction and completion of the canal in 1904 introduced irrigation to Central Oregon and contributed to the settlement, growth and creation of Bend. Although several other private irrigation c... More
Coos Bay Bridge, Spanning Coos Bay on Oregon Coast Highway, North Bend...
Significance: The Coos Bay Bridge is historically significant as one of the five Depression-era PWA bridges that completed the Oregon Coast Highway. The completion of these bridges marks the dividing line betw... More
Broadway Bridge, Spanning Willamette River at Broadway Street, Portlan...
Significance: The Broadway Bridge is the first bascule span built in Portland and, at the time constructed, the longest in the United States. Its completion resulted in a dramatic shift in land values and busi... More
University of Oregon Museum of Art, 1470 Johnson Lane, Eugene, Lane Co...
Significance: The University of Oregon Museum of Art is listed in the National Register of Historic Places. The National Register nominations states that the museum's historic significance: "centers on the his... More
Fremont Bridge, Spanning Willamette River, carrying Interstate 405 nor...
Significance: Opened in 1973, and the epitome of high-tech, the graceful Fremont Bridge is still both the longest bridge (main span) in Oregon and the longest tied arch bridge in the world. Its 6,000-ton cente... More
Fremont Bridge, Spanning Willamette River, carrying Interstate 405 nor...
Significance: Opened in 1973, and the epitome of high-tech, the graceful Fremont Bridge is still both the longest bridge (main span) in Oregon and the longest tied arch bridge in the world. Its 6,000-ton cente... More
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, 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
Rocky Creek Bridge, Spanning Rocky Creek on Oregon Coast Highway (U.S....
Survey number: HAER OR-111 Building/structure dates: 1927 Initial Construction
Rocky Creek Bridge, Spanning Rocky Creek on Oregon Coast Highway (U.S....
Survey number: HAER OR-111 Building/structure dates: 1927 Initial Construction
North Canal Dam & Diversion Canals, North Canal, North Division Street...
Survey number: HAER OR-61-D National Register of Historic Places NRIS Number: 100001303
Coos Bay Bridge, Spanning Coos Bay on Oregon Coast Highway, North Bend...
Significance: The Coos Bay Bridge is historically significant as one of the five Depression-era PWA bridges that completed the Oregon Coast Highway. The completion of these bridges marks the dividing line betw... More
Larwood Bridge, Spanning Crabtree Creek, Fish Hatchery Road (CR 648), ...
Significance: Larwood Bridge is one of the best surviving examples of the standard Howe truss covered bridge designed by the Oregon State Highway Commission in early 20th century. It illustrates the open-sided... More
Hawthorne Bridge, Spanning Willamette River at Hawthorne Boulevard & M...
Significance: The Hawthorne Bridge is the oldest extant vertical lift bridge in the United States. It is the oldest of Portland's Willamette bridges, initiating the replacement of earlier swing spans. Designed ... More
St. John's Bridge, Spans Willamette River at US Highway 30, Portland, ...
Significance: The St. John's Bridge is significant for its design and for its representation among suspension bridges in the Trans-Mississippi West and in Oregon. At the time of its completion, the bridge had ... More
Fremont Bridge, Spanning Willamette River, carrying Interstate 405 nor...
Significance: Opened in 1973, and the epitome of high-tech, the graceful Fremont Bridge is still both the longest bridge (main span) in Oregon and the longest tied arch bridge in the world. Its 6,000-ton cente... More
Fremont Bridge, Spanning Willamette River, carrying Interstate 405 nor...
Significance: Opened in 1973, and the epitome of high-tech, the graceful Fremont Bridge is still both the longest bridge (main span) in Oregon and the longest tied arch bridge in the world. Its 6,000-ton cente... More