Four Mile Run Bridge

Map 

Facts 

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

Overview

Lost pony truss bridge over Four Mile Run on TR 499

Location

Westmoreland County, Pennsylvania

Status

Replaced by new bridge

History

Replaced 1992

Design

Pony truss

Dimensions

Length of largest span: 65.0 ft.
Total length: 68.9 ft.
Deck width: 12.1 ft.

Skew angle

30 degrees

Approximate latitude, longitude

+40.20667, -79.34167   (decimal degrees)
40°12'24" N, 79°20'30" W   (degrees°minutes'seconds")

Approximate UTM coordinates

17/641130/4452014 (zone/easting/northing)

USGS topographic map

Stahlstown

Inventory numbers

PA 64 7203 0499 0004 (Pennsylvania Bridge Management System number)
PANBI 36883 (Pennsylvania BRKEY bridge number on the 2011 NBI)
BH 41772 (Bridgehunter.com ID)

Inspection (as of 12/1990)

Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 18.5 (out of 100)

Average daily traffic (as of 1987)

50

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