Rating:
2 votes

I-5 - Lake Washington Ship Canal Bridge

Photos 

Looking east from the air

Universite Bridge in the background

Photo taken by Jann Mayer in May 2013

License: Creative Commons Attribution (CC BY)

Enlarge

BH Photo #254760

Map 

Street View 

Facts 

Overview
Deck truss bridge over Lake Washington Ship Canal on I-5 in Seattle
Location
Seattle, King County, Washington
Status
Open to traffic
History
Built 1962
Builders
- Allied Structural Steel Co. of Chicago, Illinois (Iron/Steel Manufacturer)
- Ed Wilkerson (Engineer)
- George H. Andrews (Engineer)
- MacRae Brothers (Contractor)
- S.S. Mullen Inc. (Contractor)
- Scheumann & Johnson (Contractor)
Design
Continuous Warren deck truss
Dimensions
Length of largest span: 551.9 ft.
Total length: 4,429.4 ft. (0.8 mi.)
Deck width: 173.9 ft.
Approximate latitude, longitude
+47.65287, -122.32248   (decimal degrees)
47°39'10" N, 122°19'21" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/550877/5277941 (zone/easting/northing)
Quadrangle map:
Seattle North
Inventory number
BH 34301 (Bridgehunter.com ID)
Inspection (as of 07/2015)
Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Good (7 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 68.7 (out of 100)
Average daily traffic (as of 2012)
187,213

Update Log 

  • November 3, 2014: New photo from Royce and Bobette Haley
  • October 30, 2014: New photos from Royce and Bobette Haley
  • February 5, 2014: New photo from Evin Fairchild
  • May 27, 2013: New photo from Jann Mayer
  • October 12, 2011: New Street View added by Nathan Holth

Sources 

  • Wikipedia - Ship Canal Bridge
  • Nathan Holth
  • Jann Mayer - jannmayer [at] gmail [dot] com
  • Royce and Bobette Haley - roycehaley111 [at] yahoo [dot] com