Photos 

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South side

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North side

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Deck view

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Close-up of truss

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West span

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Middle span

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Pier

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Lower joint

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Underneath

Map 

Vicinity Map

Vicinity map

Map links:

Facts 

Overview
Three-span pony truss bridge over Little Black River on MO 142, northwest of Naylor
Location
Ripley County, Missouri
Status
Open to two-lane traffic on a paved road
History
Built 1949
Design
Three riveted, skewed, 5-panel Pratt pony trusses
Dimensions
Length of largest span: 51.5 ft.
Total length: 157.1 ft.
Deck width: 18.0 ft.
Approximate latitude, longitude
+36.59411, -90.61577   (decimal degrees)
36°35'39" N, 90°36'57" W   (degrees°minutes'seconds")
Land survey
T. 23 N., R. 4 E., Sec. 34
USGS topographic map
Naylor
Inventory numbers
MoDOT L-378 (Missouri Dept. of Transportation bridge number)
MONBI 6241 (Missouri bridge number on the National Bridge Inventory)
BH 22460 (Bridgehunter.com ID)
Inspection (as of 10/2005)
Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 25.2 (out of 100)
Average daily traffic (as of 2005)
1,352

Categories 

5-panel truss (95)
Built 1949 (163)
Built during 1940s (1,478)
Little Black River (Missouri) (4)
MO 142 (2)
Missouri (2,355)
Open (21,592)
Owned by state (6,524)
Pony truss (9,385)
Pratt truss (1,405)
Ripley County, Missouri (16)
Riveted (355)
Span length 50-75 feet (4,650)
Structurally deficient (10,792)
Total length 125-175 feet (2,627)
Truss (15,742)

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