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Aurora Bridge

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Photos 

Overview.

Photo taken by Historic American Engineering Record

View photos at Library of Congress

Map 

Street Views 

Facts 

Overview
Deck truss bridge over Lake Union on WA 99 in Seattle
Location
Seattle, King County, Washington
Status
Open to traffic
History
Built 1931
Builders
- American Bridge Co. of New York (Steel Fabrication & Erection)
- Jacobs & Ober (Design Firm)
- N. Nygren (Contractor)
- Pacific Bridge Co. of Oakland, California (Contractor)
Design
Cantilevered deck truss
Dimensions
Length of largest span: 799.9 ft.
Total length: 2,955.2 ft. (0.6 mi.)
Deck width: 56.4 ft.
Also called
George Washington Memorial Bridge
Lake Union Bridge
Approximate latitude, longitude
+47.64666, -122.34722   (decimal degrees)
47°38'48" N, 122°20'50" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/549026/5277236 (zone/easting/northing)
USGS topographic map
Seattle North
Inventory number
BH 34298 (Bridgehunter.com ID)
Inspection (as of 08/2011)
Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 44.4 (out of 100)
Average daily traffic (as of 2010)
69,463

Update Log 

  • February 14, 2011: Updated by Nathan Holth: Merged HAER Photos
  • December 10, 2010: New Street View added by Nathan Holth

Sources