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Burlington Northern Railroad Bridge, Spanning Willamette River at River Mile 6.9, Portland, Multnomah County, OR

Burlington Northern Railroad Bridge, Spanning Willamette River at River Mile 6.9, Portland, Multnomah County, OR



Significance: Willamette River Bridge 5.1 is the south end part of a 4-3/4 mile-long network of railroad bridges, causeways, and cut system linking the mainlines north and south of Portland. The bridge is one of the major works of renowned bridge engineer, Ralph Modjeski.
Unprocessed Field note material exists for this structure: FN-2
Survey number: HAER OR-7
Building/structure dates: 1906- 1908 Initial Construction
Building/structure dates: 1954 Subsequent Work
Building/structure dates: 1957-1959 Subsequent Work
Building/structure dates: 1963 Subsequent Work
Building/structure dates: 1979 Demolished
Building/structure dates: 1985-1988 Subsequent Work



Historic American Engineering Record, creator
Hill , James J
Modjeski , Ralph
Burlington Northern Railroad Company
Villard, Henry
Harriman, Edward H
Union Pacific Railroad
Great Northern Railroad
Spokane, Portland, & Seattle Railway
Crosby, Benjamin L
Modjeski & Masters
American Bridge Company
Otto Gas Engine Works
General Construction Company
Howard, Needles, Tammen, & Bergendoff
Staehli, Alfred, photographer
Small, Fred, photographer
Ackroyd, Hugh, photographer
Photo-Art Commerical Studios, photographer
Staehli, Alfred M, historian


multnomah county45.52306, -122.67648
Google Map of 45.5230622, -122.6764816


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