Rating:
3 votes

I-5 - Lake Washington Ship Canal Bridge

King County, Washington

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
Average daily traffic (as of 2012)
187,213
Inventory number
BH 34301 (Bridgehunter.com ID)
Inspection report (as of July 2017)
Overall condition: Fair
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Good (7 out of 9)
Deck condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 68.7 (out of 100)
View more at BridgeReports.com

Categories 

Allied Structural Steel Co. (4)
Built 1962 (205)
Built during 1960s (1,933)
Deck truss (1,630)
Double decker (61)
Ed Wilkerson (1)
Flared (404)
Functionally obsolete (7,001)
George H. Andrews (1)
Have street view (25,856)
Interstate 5 (40)
King County, Washington (199)
MacRae Brothers (6)
 Navigable waterway (2,094)
Open (38,696)
Owned by state (15,321)
S.S. Mullen Inc. (2)
Scheumann & Johnson (1)
Seattle, Washington (54)
Span length 500-1000 feet (372)
Total length over 2500 feet (830)
Truss (31,635)
Warren deck truss (587)
Warren truss (6,339)
Washington (1,271)

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

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