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S Willow Creek Rd over South Willow Creek 064

Madison County, Montana · rated Fair in the 2025 National Bridge Inventory

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

S Willow Creek Rd over South Willow Creek 064 in Madison County, Montana, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 2003, making it 22 years old at the 2025 inventory.
It carries about 100 vehicles a day (traffic count year 2025).
Its listed owner is the county highway agency.
It is one of 57 of the 98 inventoried bridges in Madison County rated fair (58.2%); 7 (7.1%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Prestressed concrete tee beam
Length	about 53 ft
Location	4M S Pony
NBI structure number	L29020004+03001
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 287 over O`dell Creek	2001	4,500	Fair
US 287 over Madison River Overflow	2001	4,500	Good
US 287 over Madison River Overflow	2001	4,500	Good
US 287 over Madison River Overflow	2001	4,500	Good
US 287 over Madison River	2001	4,500	Fair
US 287 over South Willow Creek	1934	4,102	Poor