Rating:
3 votes

West Branch Feather River Bridge

Photos 

West Branch Feather River Bridge

West Branch Feather River Bridge looking West

Photo taken by Larry Matthews on May 10, 2008

Enlarge

BH Photo #114261

Map 

Street View 

Description 

Double-deck bridge carrying CA 70 on the upper deck and the UP (former WP) Feather River Route on the lower deck. Built as part of railroad/road relocations in advance of the Oroville Dam construction.

Facts 

Overview
Deck truss bridge over West Branch Feather River on CA 70 & Union Pacific Railroad in Concow
Location
Butte County, California
Status
Open to traffic
History
Built 1962
Railroads
- Union Pacific Railroad (UP)
- Western Pacific Railroad (WP)
Design
Double-decker Warren deck truss
Dimensions
Length of largest span: 576.1 ft.
Total length: 2,731.1 ft. (0.5 mi.)
Deck width: 56.1 ft.
Recognition
Eligible for the National Register of Historic Places
Also called
Concow Bridge
Approximate latitude, longitude
+39.66667, -121.53000   (decimal degrees)
39°40'00" N, 121°31'48" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/626089/4391794 (zone/easting/northing)
Quadrangle map:
Cherokee
Average daily traffic (as of 2009)
2,550
Inventory numbers
CA 12-134 (California bridge number)
BH 10832 (Bridgehunter.com ID)
Inspection report (as of April 2017)
Overall condition: Good
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Good (7 out of 9)
Deck condition rating: Good (7 out of 9)
Sufficiency rating: 70.8 (out of 100)
View more at BridgeReports.com

Update Log 

  • July 18, 2019: New photo from Geoff Hubbs
  • October 26, 2014: Updated by Luke: Added category "Rail-and-Road"
  • October 26, 2014: Updated by Ian Martin: Added categories "Double decker", "Western Pacific Railroad", "Union Pacific Railroad", "Railroad"
  • May 27, 2011: Updated by Nathan Holth: Updated NR Status
  • November 6, 2010: New Street View added by Craig Philpott
  • March 21, 2010: New photos from Craig Philpott
  • July 31, 2009: New photo from Craig Philpott
  • May 16, 2008: New photo from Larry Matthews
  • May 13, 2008: New photos from Larry Matthews

Sources 

Comments 

West Branch Feather River Bridge
Posted May 27, 2011, by Gloria Scott (Gloria [dot] Scott [at] dot [dot] ca [dot] gov)

This bridge was determined eligible for inclusion in the National Register of Historic Places in 2010. It is eligible for its engineering significance and bridge type.