Historic American Buildings Survey/Historic American Engineering Record/Historic American Landscapes Survey
Historic American Buildings Survey,
Engineering Record, Landscapes Survey
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Ross Island Bridge, Spanning Willamette River at Powell Boulevard, Portland, Multnomah County, OR
- Title: Ross Island Bridge, Spanning Willamette River at Powell Boulevard, Portland, Multnomah County, OR
- Creator(s): Historic American Engineering Record, creator
- Related Names:
Lindenthal, Gustav
Houghtaling and Dougan
Booth and Pomeroy
Lindstrom and Feigenson
Parker-Schram
Edlefsen-Weygandt
Pacific Bridge Company
Jaggar-Sroufe
American Bridge Company
Oregon Department of Transportation
Hedrick and Kremers
Waddell, John Alexander Low
Siecke, Kurt
Crutcher, Lewis
Laurgaard, Olaf
Rode, Hans
Reed, M E
Frost, Lloyd
Zoss, John
Reese, N W
Reed, Melville E
Hedrick, Ira G
Kremers, Robert C
Antonsen Painting Company
Willamette Tug and Barge Company
Inland Construction Company
J.A.E. Brown Company
Schrader Construction Company
Adhesive Engineering Company
Oregon State Highway Division
John Hyland Construction Company
Mowat Construction Company
Wortman, Edward J. , historian
Sears, Hannah , transmitter
O'Connell, Kristen , transmitter
Wortman, Sharon Wood , historian
Norman, James , photographer
Schwab, Leslie , photographer
Oregon Department of Transportation , sponsor - Date Created/Published: Documentation compiled after 1968
- Medium:
Photo(s): 14
Color Transparencies: 2
Data Page(s): 74
Photo Caption Page(s): 2 - Reproduction Number: ---
- Rights Advisory:
No known restrictions on images made by the U.S. Government; images copied from other sources may be restricted. (http://www.loc.gov/rr/print/res/114_habs.html)
- Call Number: HAER OR-102
- Repository: Library of Congress Prints and Photographs Division Washington, D.C. 20540 USA http://hdl.loc.gov/loc.pnp/pp.print
- Notes:
- 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, and the Broadway Bridge) associated with Gustav Lindenthal during the period 1924-1928. The Portland bridges were the last of this master engineer's career, with Ross Island a rare example of a Lindenthal highway-only deck truss. In Oregon, Ross Island is also: 1) one of 215 known highway truss bridges of any type or age surviving; 2) one of seven known cantilever highway trusses; 3) the only known cantilever highway deck truss, made further unique among cantilever trusses because it was designed without a suspended center span, thereby incorrectly appearing to be an arch bridge. Ross Island is also significant because of its unusually finely subdivided Warren truss side spans. Created almost exclusively for motor vehicles, Ross Island was the first fixed-span (designed not to raise for river traffic) Willamette River bridge in downtown Portland, and was the first river bridge in the central city's history to be designed without trolley tracks.
- Survey number: HAER OR-102
- Building/structure dates: 1926 Initial Construction
- Building/structure dates: 2000-2001 Subsequent Work
- Building/structure dates: 1956 Subsequent Work
- Building/structure dates: 1972 Subsequent Work
- Building/structure dates: 1948 Subsequent Work
- Building/structure dates: 1958 Subsequent Work
- Building/structure dates: 1965 Subsequent Work
- Building/structure dates: 1968 Subsequent Work
- Subjects:
- Place:
- Latitude/Longitude: 45.50126, -122.66454
- Collections:
- Part of: Historic American Engineering Record (Library of Congress)
- Bookmark This Record:
https://www.loc.gov/pictures/item/or0471/
Historic American Buildings Survey/Historic American Engineering Record/Historic American Landscapes Survey
The Library of Congress generally does not own rights to material in its collections and, therefore, cannot grant or deny permission to publish or otherwise distribute the material. For further rights information, see "Rights Information" below and the Rights and Restrictions Information page ( https://www.loc.gov/rr/print/res/rights.html ).
- Rights Advisory: No known restrictions on images made by the U.S. Government; images copied from other sources may be restricted. http://www.loc.gov/rr/print/res/114_habs.html
- Reproduction Number: ---
- Call Number: HAER OR-102
- Medium:
Photo(s): 14
Color Transparencies: 2
Data Page(s): 74
Photo Caption Page(s): 2
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- Call Number: HAER OR-102
- Medium:
Photo(s): 14
Color Transparencies: 2
Data Page(s): 74
Photo Caption Page(s): 2
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