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I-5 - Cowlitz River Bridge (Southbound)

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I-5 - Cowlitz River Bridge (Southbound)

Photo taken by Michael Goff in January 2009

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Facts 

Overview
Polygonal Warren through truss bridge over Cowlitz River on I-5 Southbound
Location
Lewis County, Washington
Status
Open to traffic
History
Built 1953
Design
Polygonal Warren through truss
Dimensions
Length of largest span: 240.2 ft.
Total length: 759.9 ft.
Deck width: 33.1 ft.
Vertical clearance above deck: 15.6 ft.
Approximate latitude, longitude
+46.41445, -122.89022   (decimal degrees)
46°24'52" N, 122°53'25" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/508436/5140103 (zone/easting/northing)
USGS topographic map
Winlock
Inventory number
BH 34379 (Bridgehunter.com ID)
Inspection (as of 10/2010)
Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 80.5 (out of 100)
Average daily traffic (as of 2010)
21,843

Update Log 

  • January 26, 2009: New photos from Michael Goff

Sources 

  • Mike Goff - michael [dot] goff [at] hotmail [dot] com