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Photo taken by Greg Hall

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Photo taken by Greg Hall

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Photo taken by Greg Hall

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Photo taken by Greg Hall

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Map 

Vicinity Map

Vicinity map

Map links:

Facts 

Overview
Pony truss bridge over Gasconade River on Route O
Location
Laclede County, Missouri
Status
Open to traffic
History
Built 1958
Design
Polygonal Warren pony truss
Dimensions
Length of largest span: 121.0 ft.
Total length: 472.0 ft.
Deck width: 20.0 ft.
Approximate latitude, longitude
+37.48667, -92.40667   (decimal degrees)
37°29'12" N, 92°24'24" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/552454/4149027 (zone/easting/northing)
Land survey
T. 32 N., R. 13 W., Sec. 7
USGS topographic map
Competition
Inventory numbers
MoDOT N-618 (Missouri Dept. of Transportation bridge number)
MONBI 7123 (Missouri bridge number on the National Bridge Inventory)
BH 21828 (Bridgehunter.com ID)
Inspection (as of 11/2007)
Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Very Good (8 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 45.2 (out of 100)
Average daily traffic (as of 2006)
400

Categories 

Built 1958 (132)
Built during 1950s (1,610)
Gasconade River (12)
Laclede County, Missouri (10)
Missouri (2,598)
One-lane traffic (6,990)
Open (22,302)
Owned by state (6,769)
Polygonal Warren pony truss (115)
Polygonal Warren truss (123)
Pony truss (9,534)
Span length 100-125 feet (2,310)
Structurally deficient (12,078)
Total length 250-500 feet (2,193)
Truss (16,277)
Warren truss (916)

Update Log 

Sources 

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Comments 

Gasconade River Route O Bridge
Posted September 14, 2007, by Greg Hall (cyclebay [at] aol [dot] com)

Date of photo's 9/10/07

Approx GPS N37 29.239, W092 24.299

Photo 1- Looking West with signs

Photo 2- Looking West closer

Photo 3- Looking East

Photo 4- Looking East closer

Photo 5- Looking South/West

Webmaster's note: The photos that were here have been incorporated into the main site.