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Clark Fork Bridge

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Map 

Street Views 

Facts 

Overview
Deck truss bridge over Clark Fork on CR 170
Location
Mineral County, Montana
Status
Open to traffic
History
Built 1932
Design
Deck truss
Dimensions
Length of largest span: 240.2 ft.
Total length: 518.1 ft.
Deck width: 24.0 ft.
Recognition
Posted to the National Register of Historic Places on January 4, 2010
Also called
Natural Pier Bridge
Approximate latitude, longitude
+47.00627, -114.57822   (decimal degrees)
47°00'23" N, 114°34'42" W   (degrees°minutes'seconds")
Approximate UTM coordinates
11/684092/5208707 (zone/easting/northing)
Quadrangle map:
Stark South
Inventory numbers
NRHP 09001182 (National Register of Historic Places reference number)
BH 23102 (Bridgehunter.com ID)
Inspection (as of 06/2011)
Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 39.8 (out of 100)
Average daily traffic (as of 2003)
100

Categories 

Built 1932 (778)
Built during 1930s (9,230)
Deck truss (1,160)
Have street view (16,075)
Mineral County, Montana (10)
Montana (440)
NR-listed (2,653)
Open (31,360)
Owned by county (17,125)
Span length 175-250 feet (1,587)
Total length 500-1000 feet (2,037)
Truss (25,643)

Update Log 

  • September 14, 2013: New Street View added by Clark Vance
  • April 20, 2010: New Street View added by J.P.

Sources 

  • J.P. - wildcatjon2000 [at] gmail [dot] com
  • Clark Vance - cvance [at] dogmail [dot] com

Comments 

Clark Fork Bridge
Posted September 14, 2013, by Lee (lee4hmz [at] gmail [dot] com)

According to the USGS maps, this bridge is also known as the Cyr Bridge.