4 votes

Hoquiam River Bascule Bridge


Hoquian River Bridge Looking South

Photo taken by Historic American Engineering Record

View photos at Library of Congress

BH Photo #150884

Street Views 


Bascule bridge over Hoquiam River on US 101 in Hoquiam
Hoquiam, Grays Harbor County, Washington
Open to traffic
Built 1928; rehabilitated 1948
- Joseph Strauss (Bascule Engineer) [also known as Strauss Bascule Bridge Co.]
- Puget Sound Bridge & Dredging Co. of Seattle, Washington (Contractor)
- Strauss Bascule Bridge Co. of Chicago, Illinois (Consulting Firm)
- Wallace Bridge & Structural Steel Co. of Seattle, Washington (Steel Fabricator)
The central span is an example of a patented double-leaf Strauss underneath counterweight bascule bridge. The Strauss Bascule Bridge Company was one of the most important bridge building firms in the United States during the early 20th century. The contractors, Puget Sound Bridge and Dredging Company, was a significant engineering and construction firm in the Northwest. The bridge has been placed on the National Register of Historic Places.
(HAER WA-93)
Length of largest span: 200.1 ft.
Total length: 1,980.1 ft.
Deck width: 20.0 ft.
Vertical clearance above deck: 14.2 ft.
Posted to the National Register of Historic Places on July 16, 1982
Approximate latitude, longitude
+46.97525, -123.87686   (decimal degrees)
46°58'31" N, 123°52'37" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/433305/5202786 (zone/easting/northing)
Quadrangle map:
Average daily traffic (as of 2012)
Inventory numbers
NRHP 82004217 (National Register of Historic Places reference number)
BH 34232 (Bridgehunter.com ID)
Inspection report (as of May 2017)
Overall condition: Fair
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Deck condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 47.1 (out of 100)
View more at BridgeReports.com

Update Log 

  • December 12, 2020: New photos from Jann Mayer
  • October 2, 2018: New photos from Douglas Butler
  • November 25, 2017: New photo from Steven Pavlov
  • December 1, 2015: New Street View added by Douglas Butler
  • August 8, 2015: New photos from Douglas Butler
  • October 19, 2014: New photos from C Hanchey
  • May 30, 2013: New photos from M. D. Caillet
  • March 18, 2012: Updated by Craig Philpott: Refined design description
  • August 5, 2010: New Street View added by Nathan Holth

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