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Historic Bridges: Umatilla 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: 2

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6th Street Bridge
William Duby Bridge
HSRNational HSR. Local HSR.
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6th Street, US-730 (Historic Columbia River Highway) Over Umatilla River in Umatilla: Umatilla County, Oregon, United States
Concrete Open Spandrel Deck Arch, Fixed and Approach Spans: Concrete T-Beam, Fixed
Length: 431.5 ft. Main Span: 110 ft. Roadway: 30.2 ft. Main Spans: 3
Built 1917 By: Unknown and Conde Balcom McCullough
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I-82 (Eastbound) and US-295 Over Columbia River in Umatilla: Umatilla County, Oregon and Benton County, Washington, United States
Metal Cantilever Rivet-Connected Warren Through Truss, Fixed and Approach Spans: Metal Pin and Hanger Deck Girder, Fixed
Length: 3380 ft. Main Span: 600 ft. Roadway: 27.6 ft. Main Spans: 5
Built 1955 By: American Bridge Company of New York, New York and Tudor Engineering Company of San Francisco, California

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