Great Porcupine Creek Bridge

Map 

Facts 

Note: The following information comes from the National Bridge Inventory and has not been verified.

Overview

Pony truss bridge over Great Porcupine Creek on CR 103

Location

Rosebud County, Montana

Status

Open to traffic

History

Built 1912

Design

Pony truss

Dimensions

Length of largest span: 40.0 ft.
Total length: 42.0 ft.
Deck width: 15.1 ft.

Approximate latitude, longitude

+46.58472, -107.09444   (decimal degrees)
46°35'05" N, 107°05'40" W   (degrees°minutes'seconds")

Approximate UTM coordinates

13/339541/5161148 (zone/easting/northing)

USGS topographic map

Zempel Lake

Inventory number

BH 23166 (Bridgehunter.com ID)

Inspection (as of 09/2010)

Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 35.3 (out of 100)

Average daily traffic (as of 2003)

100

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