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Seyler Ln over Ruby River 019

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

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

Seyler Ln over Ruby River 019 in Madison County, Montana, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1976, making it 49 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 7 of the 98 inventoried bridges in Madison County rated poor (7.1%); 7 (7.1%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings

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