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 

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)

Categories 

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

Related Bridges 

• NWP - Alder Point Bridge (Downstream)
• Dos Rios Bridge (Upstream) - Replaced
• NWP - Island Mountain Bridge (Old) (Predecessor)

Sources 

• Craig Philpott - craigphilpott63 [at] gmail [dot] com
• Luke
• Sunny Fortuna - Historical Pictures of the Northwestern Pacific Railroad. - Imagery + Info

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