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Historic Bridges: Oregon State Highway Commission

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.


Results in this list will be limited to the first 200 results. Consider performing a more narrow search from the main BridgeSeek tool if your search here is showing 200 results.

Total Bridges Found: 5

Cape Perpetua Half Viaduct
HSRNational HSR. Local HSR.
Click to visit page.
Oregon Coast Highway (US-101) Over Cape Perpetua Chasm in Rural: Lincoln County, Oregon, United States
Concrete T-Beam, Fixed
Length: 76 ft. Main Span: 38 ft. Roadway: 27 ft. Main Spans: 2
Built 1931 By: Unknown and Oregon State Highway Commission
This bridge is noted as a historic example of a half-viaduct which carries a portion of the road out alongside a cliff.
Cottage Grove Bridge
HSRNational HSR. Local HSR.
Click to visit page.
OR-99 Goshen-Divide Highway Over Coast Fork Willamette River in Cottage Grove: Lane County, Oregon, United States
Concrete Continuous T-Beam, Fixed
Length: 342 ft. Main Span: 70 ft. Roadway: 30 ft. Main Spans: 7
Built 1949 By: Unknown and Oregon State Highway Commission
This bridge is a good, unaltered representative example of a concrete t-beam bridge in Oregon.
Oregon City Half-Viaduct
HSRNational HSR. Local HSR.
Click to visit page.
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.
Short Sand Creek Bridge
HSRNational HSR. Local HSR.
Click to visit page.
Oregon Coast Highway (US-101) Over Short Sand Beach Creek and Short Sands Trail in Rural: Tillamook County, Oregon, United States
Concrete Continuous Curved T-Beam, Fixed
Length: 120 ft. Main Span: 46 ft. Roadway: 26 ft. Main Spans: 3
Built 1937 By: Unknown and Oregon State Highway Commission
A good example of a concrete t-beam bridge on the Oregon Coast Highway, this one features a less common design of ornamental railing used on this highway.
Wilson River Slough Bridge
HSRNational HSR. Local HSR.
Click to visit page.
Oregon Coast Highway (US-101) Over Wilson River Slough in Tillamook: Tillamook County, Oregon, United States
Concrete Continuous Curved T-Beam, Fixed
Length: 120 ft. Main Span: 46 ft. Roadway: 27 ft. Main Spans: 3
Built 1931 By: Unknown and Oregon State Highway Commission
This bridge is a good representative example of a standard small-scale bridge on the Oregon Coast Highway, and it retains the ornamental railings used on many bridges on this highway.

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