Oilmont Hwy over Miners Coulee

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

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

• Oilmont Hwy over Miners Coulee in Toole 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 1974, making it 51 years old at the 2025 inventory.
• It carries about 106 vehicles a day (traffic count year 2023).
• Its listed owner is the state highway agency.
• It is one of 14 of the 35 inventoried bridges in Toole County rated good (40.0%); 0 (0.0%) are rated poor.
• Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
• Its condition class and component ratings are unchanged from the 2024 inventory.
• Its most recent inspection on record is dated February 2024, on a 24-month routine inspection cycle.
• 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.

View this bridge on a map → (48.74037, -111.49943)

Component ratings

Bridge details

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

Busiest bridges in Toole County

All bridges nearby: Toole County, MT bridge conditions · every bridge in Toole County · Montana bridges.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.