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1st Avenue South Bridge (SB)

Photos 

Duwamish River West Bridge

Southbound

Photo taken by Douglas Butler in April 2013

Enlarge

BH Photo #284322

Map 

Street Views 

Facts 

Overview
Bascule bridge over Duwamish River West on Southbound WA 99 in Seattle
Location
Seattle, King County, Washington
Status
Open to traffic
History
Built 1996
Design
Bascule
Dimensions
Length of largest span: 379.0 ft.
Total length: 2,895.2 ft. (0.5 mi.)
Deck width: 44.0 ft.
Approximate latitude, longitude
+47.54225, -122.33459   (decimal degrees)
47°32'32" N, 122°20'05" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/550074/5265639 (zone/easting/northing)
Quadrangle map:
Seattle South
Average daily traffic (as of 2012)
42,897
Inventory numer
BH 34273 (Bridgehunter.com ID)
Inspection report (as of September 2016)
Overall condition: Fair
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Good (7 out of 9)
Deck condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 56.2 (out of 100)
View more at BridgeReports.com

Update Log 

  • January 16, 2016: New Street View added by Douglas Butler
  • November 30, 2015: New Street View added by Douglas Butler
  • September 16, 2015: New photo from Douglas Butler
  • May 28, 2014: New photo from Douglas Butler

Sources 

  • K. A. Erickson
  • Douglas Butler