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Historic Bridges: Clackamas County, Oregon

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

Total Bridges Found: 5

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Bull Run Bridge
HSRNational HSR. Local HSR.
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Bull Run Road Over Bull Run River in Rural: Clackamas County, Oregon, United States
Metal 10 Panel Pin-Connected Pennsylvania Through Truss, Fixed
Length: 240 ft. Main Span: 240 ft. Roadway: 23.5 ft. Main Spans: 1
Built 1894 By: Bullen Bridge Company of Pueblo, Colorado and W. B. Chase of Portland, Oregon
This is one of two bridges in Clackamas County which are reused spans from the former Burnside Bridge in Portland.
Dr. John McLoughlin Memorial Bridge
McLoughlin Bridge
HSRNational HSR. Local HSR.
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OR 99E (McLoughlin Boulevard) Over Clackamas River in Gladstone: Clackamas County, Oregon, United States
Metal Tied Solid Ribbed Through Arch, Fixed and Approach Spans: Concrete Curved T-Beam, Fixed
Length: 730 ft. Main Span: 240 ft. Roadway: 4 ft. Main Spans: 3
Built 1933 By: Lindstrom and Feigenson of Portland, Oregon and Conde Balcom McCullough (Oregon State Highway Commission)
This is an imppressive steel arch span that also includes attractive concret approach spans.
Lusted Road Bridge
HSRNational HSR. Local HSR.
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Lusted Road Over Sandy River in Rural: Clackamas County, Oregon, United States
Metal 12 Panel Pin-Connected Pennsylvania Through Truss, Fixed
Length: 300 ft. Main Span: 300 ft. Roadway: 23.5 ft. Main Spans: 1
Built 1894 By: Bullen Bridge Company of Pueblo, Colorado and W. B. Chase of Portland, Oregon
This is the larger of two bridges in Clackamas County which are reused spans from the former Burnside Bridge in Portland.
Oregon City Bridge
HSRNational HSR. Local HSR.
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OR-43 (7th Street, Willamette Drive) Over Willamette River in Oregon City: Clackamas County, Oregon, United States
Metal Solid Ribbed Through Arch, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed
Length: 745 ft. Main Span: 360 ft. Roadway: 18.4 ft. Main Spans: 1
Built 1922 By: A. Guthrie and Company of St. Paul, Minnesota and Conde Balcom McCullough (Oregon State Highway Commission)
This unique bridge is classified as a steel arch bridge because it is a simple non-structural gunnite (shotcrete) that covers its structural steel arch.
Oregon City Half-Viaduct
HSRNational HSR. Local HSR.
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OR-99 Over Cliff along Willamette River in Oregon City: Clackamas County, Oregon, United States
Concrete Continuous Curved T-Beam, Fixed
Length: 336 ft. Main Span: 33 ft. Roadway: 50 ft. Main Spans: 11
Built 1940 By: Unknown and Oregon State Highway Commission
This is a half-viaduct that carries the roadway out over the edge of a cliff along the river.

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