Bridgehunter.com | Lyons Ferry Bridge

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Photo taken by Historic American Engineering Record

Overview: Cantilevered through truss bridge over Snake River on WA 261
Location: Columbia County, Washington, and Whitman County, Washington
Status: Open to traffic
History: Built 1927 over the Columbia River at Vantage Ferry; relocated here in 1968
Builders: - American Bridge Co. of New York (Steel Erector)
- George Stevens (Bridge Engineer - Relocation)
- J.W. Hardison Co. (Contractor)
- Kuckenberg & Wittman (Original Contractor - Vantage Location)
- Manson Construction (Contractor)
- Murphy Brothers, Inc. (Contractor)
- Peter Kiewit & Sons (Contractor - Relocation)
Design: Cantilevered through truss
Dimensions: Length of largest span: 520.0 ft.
Total length: 2,040.1 ft. (0.4 mi.)
Deck width: 20.0 ft.
Vertical clearance above deck: 15.0 ft.
Approximate latitude, longitude: +46.58951, -118.21950 (decimal degrees)
46°35'22" N, 118°13'10" W (degrees°minutes'seconds")
Approximate UTM coordinates: 11/406579/5160271 (zone/easting/northing)
USGS topographic map: Starbuck West
Inventory number: BH 34189 (Bridgehunter.com ID)
Inspection (as of 10/2010): Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 60.5 (out of 100)
Average daily traffic (as of 2010): 532

I-90 - Vantage Bridge (Parts reused from) - Original Vantage Bridge truss was relocated to Lyons Ferry
U.P.R.R. - Joso High Bridge (Downstream)
U.P.R.R. - Snake River Bridge (Upstream)