Photos 

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Overview

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Looking north

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Looking south

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Close-up of truss

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Upper chord hip joint

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Old abutment, north bank

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Old abutment, south bank

Map 

Vicinity Map

Vicinity map

Map links:

Facts 

Overview
Pony truss bridge over South River on CR 402, east of Palmyra
Location
Marion County, Missouri
Status
Open to one-lane traffic
History
Built ca. 1930, replacing an earlier bridge
Design
Riveted, 5-panel Pratt pony truss
Dimensions
Length of largest span: 80.0 ft.
Total length: 81.0 ft.
Deck width: 15.7 ft.
Approximate latitude, longitude
+39.79292, -91.48721   (decimal degrees)
39°47'35" N, 91°29'14" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/629523/4405867 (zone/easting/northing)
Land survey
T. 58 N., R. 5 W., Sec. 29
USGS topographic map
Quincy SW
Inventory numbers
MO 064-187001.5 (Missouri off-system bridge number)
MONBI 18495 (Missouri bridge number on the National Bridge Inventory)
BH 22014 (Bridgehunter.com ID)
Inspection (as of 02/2007)
Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 39.2 (out of 100)
Average daily traffic (as of 2007)
250

Categories 

5-panel truss (110)
Built during 1930s (6,116)
Functionally obsolete (5,793)
Marion County, Missouri (33)
Missouri (2,598)
One-lane traffic (6,989)
Open (22,296)
Owned by county (14,358)
Pony truss (9,533)
Pratt pony truss (535)
Pratt truss (1,666)
Riveted (381)
Span length 75-100 feet (3,317)
Total length 75-100 feet (3,414)
Truss (16,266)

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