Rating:
2 votes

Balch Gulch Bridge

Photos 

Thurman Street Bridge

Photo taken by Michael Goff on September 29, 2008

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BH Photo #125326

Map 

Street Views 

Facts 

Overview
Pin-connected Pratt deck truss bridge over Balch Gulch on NW Thurman Street in Portland
Location
Portland, Multnomah County, Oregon
Status
Open to traffic
History
Built 1905
Builder
- J.C.B. Lockwood of Portland, Oregon (Consulting Engineer)
Design
Pin-connected Pratt deck truss
Dimensions
Length of largest span: 160.0 ft.
Total length: 400.0 ft.
Deck width: 26.9 ft.
Also called
Thurman Street Bridge
Approximate latitude, longitude
+45.53554, -122.71263   (decimal degrees)
45°32'08" N, 122°42'45" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/522437/5042485 (zone/easting/northing)
Quadrangle map:
Portland
Inventory number
BH 29889 (Bridgehunter.com ID)
Inspection (as of 09/2015)
Deck condition rating: Very Good (8 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 55.3 (out of 100)
Average daily traffic (as of 2010)
4,028

Update Log 

  • September 8, 2010: New Street View added by Michael Goff
  • November 25, 2008: Updated by Michael Goff: Added Builder and Design Information
  • September 30, 2008: New photos from Michael Goff

Sources 

  • James Baughn - webmaster [at] bridgehunter [dot] com
  • 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