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NWP - Island Mountain Tunnel

Photo 

Tunnel

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

Photo submitted Craig Philpott

License: Released into public domain

BH Photo #324707

Map 

Facts 

Overview
Tunnel on Northwestern Pacific Railroad
Location
Trinity County, California
Status
Closed
Builders
- Nels Lind & Co.
- Utah Construction Co. of Ogden, Utah
Railroads
- Eureka Southern Railroad (EUKA)
- Northwestern Pacific Railroad (NWP)
- Southern Pacific Railroad (SP)
Design
Tunnel
Approximate latitude, longitude
+40.03144, -123.49387   (decimal degrees)
40°01'53" N, 123°29'38" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/457862/4431363 (zone/easting/northing)
Quadrangle map:
Lake Mountain
Inventory number
BH 66934 (Bridgehunter.com ID)

Update Log 

  • May 17, 2015: New photo from Craig Philpott
  • April 8, 2015: Added by Luke

Sources