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Overview

Photo taken 2003 by Jeremy Clevenger
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Vicinity Map

Vicinity map

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Facts 

Overview
Through truss bridge over Missouri River on CR 415 (Old US 287) at Toston
Location
Broadwater County, Montana
Status
Open to traffic
History
Built 1919-20 by Security Bridge Co. of Billings; made obsolete by new bridge in 1955
Builder
- Security Bridge Co.
Design
Warren through truss
Dimensions
Length of largest span: 174.9 ft.
Total length: 532.2 ft.
Deck width: 15.4 ft.
Vertical clearance above deck: 11.0 ft.
Recognition
Posted to the National Register of Historic Places on July 25, 2005
Approximate latitude, longitude
+46.17167, -111.44333   (decimal degrees)
46°10'18" N, 111°26'36" W   (degrees°minutes'seconds")
Inventory numbers
NRHP 05000720 (National Register of Historic Places reference number)
BH 22980 (Bridgehunter.com ID)
Inspection (as of 09/2005)
Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Poor (4 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 27.3 (out of 100)
Average daily traffic (as of 2003)
100

Categories 

Broadwater County, Montana (2)
Built 1920 (515)
Built during 1920s (4,005)
Missouri River (60)
Montana (259)
NR-listed (1,472)
Open (21,539)
Owned by county (14,113)
Security Bridge Co. (2)
Span length 125-175 feet (1,981)
Structurally deficient (10,771)
Through truss (5,175)
Total length 500-1000 feet (987)
Truss (15,706)
US 287 (5)
Warren truss (690)

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