Bridgehunter.com | Wishkah River Bridge

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Photo taken by Historic American Engineering Record

Overview: Bascule bridge over Wishkah River on US 12 in Aberdeen
Location: Aberdeen, Grays Harbor County, Washington
Status: Open to traffic
History: Built 1925; rehabilitated 2003
Builders: - Joseph Strauss (Bascule Designer)
- M.M. Caldwell (Consulting Engineer)
- Puget Sound Bridge & Dredging Co. (Contractor)
- Strauss Bascule Bridge Co. of Chicago, Illinois (Bascule Design Firm)
Design: The bridge is a classic example of a patented Strauss "heel-trunnion" bascule bridge type.
(HAER WA-92)
Dimensions: Length of largest span: 145.0 ft.
Total length: 362.9 ft.
Deck width: 26.9 ft.
Vertical clearance above deck: 15.5 ft.
Approximate latitude, longitude: +46.97712, -123.81163 (decimal degrees)
46°58'38" N, 123°48'42" W (degrees°minutes'seconds")
Approximate UTM coordinates: 10/438269/5202941 (zone/easting/northing)
USGS topographic map: Aberdeen
Inventory number: BH 34245 (Bridgehunter.com ID)
Inspection (as of 03/2011): Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 42.4 (out of 100)
Average daily traffic (as of 2010): 14,786