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Ironrod Bridge

Map 

Facts 

Note: The following information comes from the National Bridge Inventory and has not been verified.
Overview
Lost Pony truss bridge over Jefferson River on MT 41
Location
Madison County, Montana
Status
Replaced by a new bridge
History
Built 1938; replaced 1992
Design
Pony truss
Dimensions
Length of largest span: 107.9 ft.
Total length: 358.0 ft.
Deck width: 24.0 ft.
Approximate latitude, longitude
+45.64356, -112.31015   (decimal degrees)
45°38'37" N, 112°18'37" W   (degrees°minutes'seconds")
Approximate UTM coordinates
12/397902/5055280 (zone/easting/northing)
Average daily traffic (as of 2015)
1,960
Inventory number
BH 86665 (Bridgehunter.com ID)
Inspection report (as of February 2017)
Overall condition: Fair
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Good (7 out of 9)
Deck condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 79 (out of 100)
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