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8th Street Bridge

Photo taken by Michael Goff

Overview: Pin-connected Pratt through truss bridge over Umatilla River on 8th Street in Pendleton
Location: Pendleton, Umatilla County, Oregon
Status: Open to traffic
History: Built 1909; rehabilitated 1955
Builders: - Columbia Bridge Co. of Walla Walla, Washington (Original Fabricator)
- West Coast Steel Works (Rehab. Fabricator)
Design: Pin-connected Pratt through truss
Dimensions: Length of largest span: 120.1 ft.
Total length: 234.9 ft.
Deck width: 19.4 ft.
Recognition: Eligible for the National Register of Historic Places
Also called: Lee Street Bridge
Umatilla River Bridge
Approximate latitude, longitude: +45.67611, -118.77944 (decimal degrees)
45°40'34" N, 118°46'46" W (degrees°minutes'seconds")
Approximate UTM coordinates: 11/361412/5059602 (zone/easting/northing)
USGS topographic map: Pendleton
Inventory numbers: ORNBI 59C111098300001 (Oregon bridge number on the National Bridge Inventory)
BH 30150 (Bridgehunter.com ID)
Inspection (as of 07/2011): Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Poor (4 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 30.3 (out of 100)
Average daily traffic (as of 2010): 551

Ball Park Bridge (Downstream) - Two modern bridges between structures
U.P.R.R. - Umatilla River Bridge No. 7 (Upstream) - Two modern bridges between structures

Mike Goff - michael [dot] goff [at] hotmail [dot] com
Historic Highway Bridges of Oregon - Dwight A. Smith, James B. Norman & Pieter T. Dykman, Oregon Historical Society Press, 1989