Willow Creek Rd over Little Belt Creek 100

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

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

• Willow Creek Rd over Little Belt Creek 100 in Cascade 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 1950 and reconstructed in 1971, making it 75 years old at the 2025 inventory.
• It carries about 158 vehicles a day (traffic count year 2023).
• Its listed owner is the county highway agency.
• It is one of 77 of the 185 inventoried bridges in Cascade County rated good (41.6%); 11 (5.9%) 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.

View this bridge on a map → (47.38307, -110.71559)

Component ratings

Bridge details

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

Busiest bridges in Cascade County

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

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