Historic Bridges of the U.S. | Mississippi County Road 521 Bridge

Photos

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Overview

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Deck view

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Close-up of truss

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West approach

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Upper chord middle joint

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Lower joint

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Underneath

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Wooden pier

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Plaque

Missouri
Highway Dept.
Bridge No. F.961
1922

Vicinity map

Map links:

Overview: Pony truss bridge on CR 521 over Wilkinson Drainage Ditch just west of MO 102
Location: Mississippi County, Missouri
Status: Open to traffic
History: Built ca. 1922; relocated here 1965
Design: Warren pony truss
Dimensions: Length of largest span: 76.1 ft.
Total length: 111.8 ft.
Deck width: 20.6 ft.
Approximate latitude, longitude: +36.67393, -89.32777 (decimal degrees)
36°40'26" N, 89°19'40" W (degrees°minutes'seconds")
Approximate UTM coordinates: 16/291986/4061225 (zone/easting/northing)
Land survey: T. 24 N., R. 16 E., Sec. 33
USGS topographic map: Bayouville
Inventory numbers: MO 067-095001.5 (Missouri off-system bridge number)
MONBI 15482 (Missouri bridge number on the National Bridge Inventory)
BH 22070 (Bridgehunter.com ID)
Inspection (as of 01/2006): Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 45.0 (out of 100)
Average daily traffic (as of 2006): 15