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NWP - Island Mountain Bridge

Photos 

Island mountain Bridge 1965

Island Mountain Bridge was mostly swept away in the floods of December, 1964. This picture is from 1965, during rebuilding and replacing of much of the original spans and foundations.

California Humboldt Library collection

BH Photo #167847

Map 

Description 

Warren through truss bridge carrying abandoned railroad

Facts 

Overview
Warren through truss bridge over Eel River on Northwestern Pacific Railroad
Location
Trinity County, California
Status
Closed to all traffic
Future prospects
Abandoned in place
History
Built 1965
Builder
- Morrison-Knudsen Co. of Boise, Idaho
Railroads
- Eureka Southern Railroad (EUKA)
- Northwestern Pacific Railroad (NWP)
- Southern Pacific Railroad (SP)
Design
Warren through truss
Dimensions
Length of largest span: 200.0 ft.
Total length: 578.0 ft.
Deck width: 18.0 ft.
Approximate latitude, longitude
+40.02988, -123.49334   (decimal degrees)
40°01'48" N, 123°29'36" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/457907/4431190 (zone/easting/northing)
Quadrangle map:
Lake Mountain
Elevation
544 ft. above sea level
Inventory number
BH 45397 (Bridgehunter.com ID)

Update Log 

  • January 1, 2017: Updated by Luke: Added builder
  • June 20, 2010: New photo from Craig Philpott
  • May 27, 2010: Added by Craig Philpott

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Sources