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W Fork Rd over W Fork Bitterroot R 003

Ravalli County, Montana · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

W Fork Rd over W Fork Bitterroot R 003 in Ravalli County, Montana, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 2004, making it 21 years old at the 2025 inventory.
It carries about 52 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 61 of the 150 inventoried bridges in Ravalli County rated good (40.7%); 12 (8.0%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 204 ft
Location	9M SW Conner
NBI structure number	L41701000+01001
Condition class	Good

Source: FHWA National Bridge Inventory, 2025 data as reported by the Montana department of transportation.

Bridge	Built	Vehicles/day	Condition
US 93 over Mill Creek	2011	15,852	Good
US 93 over Corvallis Canal	1980	14,714	Good
US 93 over Bitterroot River	2005	14,573	Fair
US 93 over Blodgett Creek	2008	14,573	Fair
US 93 over S Fork Bear Creek	2011	13,924	Fair
US 93 over N Fork Bear Creek	2011	13,924	Good