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Oregon City Half-Viaduct
HSRNational HSR. Local HSR.

Rough Distance: 0 Miles (0 Kilometers)

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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.
Oregon City Bridge
HSRNational HSR. Local HSR.

Rough Distance: 0.1 Miles (0.2 Kilometers)

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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.
Dr. John McLoughlin Memorial Bridge
McLoughlin Bridge
HSRNational HSR. Local HSR.

Rough Distance: 0.9 Miles (1.5 Kilometers)

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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.
X
Sellwood Bridge
HSRNational HSR. Local HSR.

Rough Distance: 7.5 Miles (12 Kilometers)

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Tacoma Street Over Willamette River in Portland: Multnomah County, Oregon, United States
Metal Continuous (Straight Chords) 22 Panel Rivet-Connected Modified Warren (Subdivided) Deck Truss, Fixed and Approach Spans: Concrete Deck Girder, Fixed
Length: 1,972 ft. Main Span: 300 ft. Roadway: 30.8 ft. Main Spans: 4
Built 1925 By: Gilpin Construction Company of Portland, Oregon and Gustav Lindenthal and Ira G. Hedrick
The significance of this monumental bridge as an early large-scale continuous highway truss bridge designed by a famous engineer did not save it from the scrapyard.
Ross Island Bridge
HSRNational HSR. Local HSR.

Rough Distance: 9.5 Miles (15.3 Kilometers)

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US-26 Over Willamette River and Various Streets and Railroad in Portland: Multnomah County, Oregon, United States
Metal Cantilever 40 Panel Rivet-Connected Modified Warren (Subdivided) Deck Truss, Fixed and Approach Spans: Metal 24 Panel Rivet-Connected Modified Warren (Subdivided) Deck Truss, Fixed
Length: 3,653 ft. Main Span: 535 ft. Roadway: 43 ft. Main Spans: 3
Built 1926 By: Booth and Pomeroy of Portland, Oregon and American Bridge Company of New York, New York and Gustav Lindenthal
This unusual and attractive arch-shaped cantilever truss bridge was designed by famous engineer Gustav Lindenthal.

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.

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