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

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 

Update Log 

• July 26, 2020: New photo from Patrick Gurwell
• 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
• Patrick Gurwell - pgurwell [at] gmail [dot] com

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