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I-5 - Pit River Bridge


Pit River Bridge

Photo taken by Michael Goff on February 18, 2008


BH Photo #116299


Street View 


Double deck, Warren deck truss bridge with vehicles on deck truss level and railroad on through truss level.


Double deck, deck truss bridge over Shasta Lake (Pit River Arm) on I-5 & Union Pacific Railroad
Shasta County, California
Open to traffic
Built 1941
- Southern Pacific Railroad (SP)
- Union Pacific Railroad (UP)
Warren deck truss
Total length: 3,588.1 ft. (0.7 mi.)
Deck width: 70.0 ft.
Also called
Bridge Bay Bridge
UP - Pit River Bridge
Approximate latitude, longitude
+40.76256, -122.31881   (decimal degrees)
40°45'45" N, 122°19'08" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/557494/4512622 (zone/easting/northing)
Quadrangle map:
1084 ft. above sea level
Inventory numbers
CA 6-21 (California bridge number)
BH 11549 (Bridgehunter.com ID)

Update Log 

  • August 26, 2017: Updated by Christopher Finigan: Added categories "Cantilevered", "Cantilevered truss"
  • December 25, 2016: Updated by Christopher Finigan: Added category "Riveted"
  • October 26, 2014: Updated by Luke: Added category "Rail-and-Road"
  • July 3, 2011: New photo from Craig Philpott
  • June 6, 2011: Updated by Craig Philpott: corrected spelling
  • November 13, 2010: New photo from Craig Philpott
  • October 31, 2010: New photo from Craig Philpott
  • August 27, 2010: Updated by Craig Philpott: refined details and added photos
  • February 2, 2009: Updated by Michael Goff: fixed crossing controversy
  • July 1, 2008: Updated by Michael Goff



Pit River Bridge
Posted November 27, 2009, by Joe Gannon (joegannon [at] netzero [dot] com)

How do I contact Mr. Goff and help fill in some of the missing bridge photographs?

"Pitt "River Bridge
Posted August 14, 2009, by Maureen SBS (maureenbs [at] c-zone [dot] net)

The modern spelling of this is the "Pit River". There are some really old maps that give it the extra "t", but this is the current spelling.

Shasta River Bridge
Posted March 14, 2008, by Lugnuts (lugnuts969 [at] sbcglobal [dot] net)

Well, gee, thanks for that most elegant example of constructive criticism. The bridge listings come from a list supplied by the government (which might explain a few things) that sometimes need a little editing. Perhaps you have access to the correct data you could supply?

Shasta River Bridge
Posted March 13, 2008, by Dorris Wood (dwood_2001 [at] excite [dot] com)

The Shasta River does not go through Shasta County at all. The Shasta LAKE bridges were built in the 30's. So were the Shasta River Bridges in SISKIYOU County. et your facts and geography right.