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Pasco - Kennewick Bridge

Benton County, Washington, and Franklin County, Washington
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Photos 

Side Elevation Looking West From Kennewick Approach

Photo taken by Historic American Engineering Record

View photos at Library of Congress

Map 

Street View 

Facts 

Overview
Lost Cantilever through truss bridge over Columbia River on WA-397
Location
Kennewick, Benton County, Washington, and Franklin County, Washington
Status
Replaced by new bridge
History
Built 1922, Bypassed 1978, Demolished March 1990
Builders
- M.M. Caldwell
- Union Bridge Co. (Contractor)
Design
Cantilevered through truss.
Dimensions
Length of largest span: 432.0 ft.
Total length: 3,300.0 ft. (0.6 mi.)
Also called
Columbia River Bridge
Approximate latitude, longitude
+46.21880, -119.10422   (decimal degrees)
46°13'08" N, 119°06'15" W   (degrees°minutes'seconds")
Approximate UTM coordinates
11/337710/5120510 (zone/easting/northing)
USGS topographic map
Pasco
Inventory number
BH 48487 (Bridgehunter.com ID)

Categories 

Benton County, Washington (11)
Built 1922 (464)
Built during 1920s (7,033)
Columbia River (35)
Franklin County, Washington (8)
Have street view (9,891)
Kennewick, Washington (2)
Lost (10,361)
Lost 1990 (69)
Lost during 1990s (3,217)
 M.M. Caldwell (3)
Owned by state (9,808)
Replaced by new bridge (7,135)
Span length 250-500 feet (863)
Through truss (9,205)
Total length over 2500 feet (587)
Truss (23,568)
Union Bridge Co. (32)
Washington (843)

Update Log 

  • January 29, 2013: Updated by Don Morrison: Corrected demolition date
  • March 24, 2011: New Street View added by Jason Smith
  • March 24, 2011: Added by Michael Goff

Sources 

  • Mike Goff - michael [dot] goff [at] hotmail [dot] com
  • HAER WA-8 - Pasco-Kennewick Bridge
  • Jason Smith - JDSmith77 [at] gmx [dot] net
  • Wikipedia - Pasco-Kennewick Bridge
  • Don Morrison
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Comments 

Pasco - Kennewick Bridge
Posted January 29, 2013, by Don Morrison

What a loss this was. A cantilever truss with a Whipple and Petit trusses on both ends, plus multiple approach spans.