Cyr Bridge

Photos 

Cyr Bridge

View from the south

Photo taken by David Jones in September 2016

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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

Warren 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

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 06/2013)

Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 51.2 (out of 100)

Average daily traffic (as of 2003)

100

Categories 

Update Log 

• September 26, 2016: New photos from David Jones
• June 3, 2016: Updated by Luke: Added official name
• 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
• Luke
• David Jones - david2jpix [at] yahoo [dot] com

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