Bridgehunter.com | Cowlitz River Bridge

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Cowlitz River Bridge

from east

Photo taken by Michael Goff on June 20, 2009

Overview: Concrete arch bridge over Cowlitz River on US 12
Location: Lewis County, Washington
Status: Open to traffic
History: Built 1968
Design: Open-spandrel concrete arch
Dimensions: Length of largest span: 520.0 ft.
Total length: 1,232.0 ft.
Deck width: 27.9 ft.
Approximate latitude, longitude: +46.53955, -122.46683 (decimal degrees)
46°32'22" N, 122°28'01" W (degrees°minutes'seconds")
Approximate UTM coordinates: 10/540881/5154136 (zone/easting/northing)
USGS topographic map: Mossyrock
Inventory number: BH 34380 (Bridgehunter.com ID)
Inspection (as of 03/2010): Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Good (7 out of 9)
Sufficiency rating: 72.9 (out of 100)
Average daily traffic (as of 2010): 4,271

I-5 - Cowlitz River Bridge (Northbound) (Downstream) - Three modern bridges between structures
Cowlitz River Bridge (Upstream) - Two modern bridges between structures