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Long Lake Dam Bridge

Photos 

Perspective Downstream Side, Looking 160 Degrees Se

Photo taken by Historic American Engineering Record

View photos at Library of Congress

BH Photo #150847

Map 

Street View 

Facts 

Overview
Concrete arch bridge over Spokane River on WA 231
Location
Stevens County, Washington, and Lincoln County, Washington
Status
Open to traffic
History
Built 1949
Builders
- George Stevens (Bridge Engineer)
- Henry Hagman (Contractor)
Design
The bridge is a late example of an open-spandrel reinforced-concrete ribbed deck arch. Considere hinges were used at the skewbacks to relieve stresses in the arch during the construction of the bridge. The bridge has been nominated to the National Register of Historic Places.
(HAER WA-95)
Dimensions
Length of largest span: 200.1 ft.
Total length: 485.9 ft.
Deck width: 24.0 ft.
Recognition
Posted to the National Register of Historic Places
Approximate latitude, longitude
+47.83886, -117.85240   (decimal degrees)
47°50'20" N, 117°51'09" W   (degrees°minutes'seconds")
Approximate UTM coordinates
11/436217/5298741 (zone/easting/northing)
Quadrangle map:
Long Lake
Average daily traffic (as of 2012)
1,132
Inventory number
BH 34570 (Bridgehunter.com ID)
Inspection report (as of October 2016)
Overall condition: Good
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Good (7 out of 9)
Deck condition rating: Good (7 out of 9)
Sufficiency rating: 45 (out of 100)
View more at BridgeReports.com

Related Bridges 

Sources 

  • HAER WA-95 - Spokane River Bridge at Long Lake Dam
  • Mike Goff - michael [dot] goff [at] hotmail [dot] com