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
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
Sellwood Bridge, Spanning Willamette River at Southeast Tacoma Street,...
Significance: The Sellwood Bridge, the busiest two-lane bridge in Oregon, is the southern-most span in an ensemble of twelve monumental highway bridges across the lower Willamette River at Portland, Oregon. Th... More
Sellwood Bridge, Spanning Willamette River at Southeast Tacoma Street,...
Significance: The Sellwood Bridge, the busiest two-lane bridge in Oregon, is the southern-most span in an ensemble of twelve monumental highway bridges across the lower Willamette River at Portland, Oregon. Th... 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
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
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, 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
Ross Island Bridge, Spanning Willamette River at Powell Boulevard, Por...
Significance: The Ross Island Bridge is one in an ensemble of twelve monumental highway bridges across the lower Willamette River. It is one of five Portland spans (with Burnside, Sellwood, Lovejoy Viaduct, an... 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
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
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
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
Wilson River Bridge, Spans Wilson River at U.S. Highway 101, Tillamook...
Significance: The Wilson River Bridge at Tillamook is the first reinforced-concrete tied-arch span built in the Pacific Northwest region of the United States. In the 1910s, its designer, Conde B. McCullough, w... 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
Bridge at Mouth of Rogue River, Spanning Rogue River on Oregon Coast H...
Significance: The bridge is the first reinforced-concrete arch span built in the U.S. using the Freyssinet method of arch decentering. In this technique, arch ribs are pre-stressed by hydraulic jacks placed at ... More
Bridge at Mouth of Rogue River, Spanning Rogue River on Oregon Coast H...
Significance: The bridge is the first reinforced-concrete arch span built in the U.S. using the Freyssinet method of arch decentering. In this technique, arch ribs are pre-stressed by hydraulic jacks placed at ... More
Bridge at Mouth of Rogue River, Spanning Rogue River on Oregon Coast H...
Significance: The bridge is the first reinforced-concrete arch span built in the U.S. using the Freyssinet method of arch decentering. In this technique, arch ribs are pre-stressed by hydraulic jacks placed at ... 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
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
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
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
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
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
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, 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, 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, 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
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
Bridge at Mouth of Rogue River, Spanning Rogue River on Oregon Coast H...
Significance: The bridge is the first reinforced-concrete arch span built in the U.S. using the Freyssinet method of arch decentering. In this technique, arch ribs are pre-stressed by hydraulic jacks placed at ... 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
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
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
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
Sellwood Bridge, Spanning Willamette River at Southeast Tacoma Street,...
Significance: The Sellwood Bridge, the busiest two-lane bridge in Oregon, is the southern-most span in an ensemble of twelve monumental highway bridges across the lower Willamette River at Portland, Oregon. Th... More
Sellwood Bridge, Spanning Willamette River at Southeast Tacoma Street,...
Significance: The Sellwood Bridge, the busiest two-lane bridge in Oregon, is the southern-most span in an ensemble of twelve monumental highway bridges across the lower Willamette River at Portland, Oregon. Th... More
Sellwood Bridge, Spanning Willamette River at Southeast Tacoma Street,...
Significance: The Sellwood Bridge, the busiest two-lane bridge in Oregon, is the southern-most span in an ensemble of twelve monumental highway bridges across the lower Willamette River at Portland, Oregon. Th... 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
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
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
Wilson River Bridge, Spans Wilson River at U.S. Highway 101, Tillamook...
Significance: The Wilson River Bridge at Tillamook is the first reinforced-concrete tied-arch span built in the Pacific Northwest region of the United States. In the 1910s, its designer, Conde B. McCullough, w... More
Wilson River Bridge, Spans Wilson River at U.S. Highway 101, Tillamook...
Significance: The Wilson River Bridge at Tillamook is the first reinforced-concrete tied-arch span built in the Pacific Northwest region of the United States. In the 1910s, its designer, Conde B. McCullough, w... 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
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
Bridge at Mouth of Rogue River, Spanning Rogue River on Oregon Coast H...
Significance: The bridge is the first reinforced-concrete arch span built in the U.S. using the Freyssinet method of arch decentering. In this technique, arch ribs are pre-stressed by hydraulic jacks placed at ... More
Bridge at Mouth of Rogue River, Spanning Rogue River on Oregon Coast H...
Significance: The bridge is the first reinforced-concrete arch span built in the U.S. using the Freyssinet method of arch decentering. In this technique, arch ribs are pre-stressed by hydraulic jacks placed at ... 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
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
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
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
Sellwood Bridge, Spanning Willamette River at Southeast Tacoma Street,...
Significance: The Sellwood Bridge, the busiest two-lane bridge in Oregon, is the southern-most span in an ensemble of twelve monumental highway bridges across the lower Willamette River at Portland, Oregon. Th... More
Sellwood Bridge, Spanning Willamette River at Southeast Tacoma Street,...
Significance: The Sellwood Bridge, the busiest two-lane bridge in Oregon, is the southern-most span in an ensemble of twelve monumental highway bridges across the lower Willamette River at Portland, Oregon. Th... More
Rocky Creek Bridge, Spanning Rocky Creek on Oregon Coast Highway (U.S....
Survey number: HAER OR-111 Building/structure dates: 1927 Initial Construction
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
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
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
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
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
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
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
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