Historic Bridges of the U.S. | Sam Hill Memorial Bridge

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Sam Hill Bridge

July 27, 2008

Photo taken by Michael Goff in July 2008

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Sam Hill Bridge - Central Span

Photo taken by Michael Goff in July 2008

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Sam Hill Bridge

July 27, 2008

Photo taken by Michael Goff in July 2008

Overview: Through truss bridge over Columbia River on US 97
Status: Open to traffic
History: Built 1962, Deck and rail replacement 2008
Builders: - Mowat Construction (Rehab. Contractor)
- Paul Jarvis Inc. (Contractor)
Design: Through truss
Dimensions: Length of largest span: 339.9 ft.
Total length: 2,567.1 ft.
Deck width: 25.9 ft.
Vertical clearance above deck: 15.9 ft.
Also called: Biggs Bridge
Approximate latitude, longitude: +45.67611, -120.83583 (decimal degrees)
45°40'34" N, 120°50'09" W (degrees°minutes'seconds")
Approximate UTM coordinates: 10/668550/5060340 (zone/easting/northing)
USGS topographic map: Biggs Junction
Inventory number: BH 30127 (Bridgehunter.com ID)
Inspection (as of 07/2004): Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 48.1 (out of 100)
Average daily traffic (as of 2004): 3,100