Willamette River Bridge, Spanning Willamette River on Oswego Highway 3, Oregon City, Clackamas County, OR
Summary
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 necessary to prevent corrosion from sulphur dioxide fumes from the paper mills south of the bridge. This is the only gunite-covered bridge in Oregon. The 1921-1922 Biennial Report of the Oregon State Highway Commission praised this bridge as being "the most artistic appearing large bridge in the State."
Unprocessed Field note material exists for this structure: FN-15
Unprocessed Field note material exists for this structure: N873
Survey number: HAER OR-31
Building/structure dates: 1999
Nothing Found.
Tags
vehicular bridges
steel arch bridges
oregon city
willamette
bridge
willamette river bridge
willamette river
oswego
highway
oswego highway
oregon
clackamas
clackamas county
bennett
historic american engineering record
james norman
leslie schwab
photo
ultra high resolution
high resolution
infrastructure
library of congress
Date
1969 - 1980
Contributors
Historic American Engineering Record, creator
Bennett, transmitter
Norman, James, photographer
Schwab, Leslie, photographer
Location
Oregon City
,
45.35734, -122.60676
Source
Library of Congress
Link
Copyright info
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