Historic Bridges of the U.S. | Concord Hill Road Bridge

Photos

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Overview

Photos taken January 2006 by Kevin Ferguson

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Oblique view

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Deck view

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Close-up of joint

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Underneath

Vicinity map

Map links:

Overview: Lost Pony truss bridge over Howard Branch on Concord Hill Road
Location: Warren County, Missouri
Status: Replaced by new bridge
Future prospects: Scheduled for replacement in 2006
History: Built ca. 1920; replaced 2007
Design: Riveted, 4-panel Pratt pony truss
Dimensions: Length of largest span: 60.0 ft.
Total length: 120.0 ft.
Deck width: 13.1 ft.
Approximate latitude, longitude: +38.66523, -91.12281 (decimal degrees)
38°39'55" N, 91°07'22" W (degrees°minutes'seconds")
Approximate UTM coordinates: 15/663318/4281299 (zone/easting/northing)
Land survey: T. 45 N., R. 2 W., Sec. 10
USGS topographic map: Marthasville
Inventory numbers: MO 109-122000.8 (Missouri off-system bridge number)
MONBI 16484 (Missouri bridge number on the National Bridge Inventory)
BH 22761 (Bridgehunter.com ID)
Inspection (as of 03/2006): Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 36.1 (out of 100)
Average daily traffic (as of 2006): 250