US 12 over Nine Mile Creek
Golden Valley County, Montana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 12 over Nine Mile Creek in Golden Valley County, Montana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1990, making it 35 years old at the 2025 inventory.
- It carries about 2,040 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 10 of the 17 inventoried bridges in Golden Valley County rated fair (58.8%); 0 (0.0%) 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.
View this bridge on a map → (46.30016, -109.06738)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Steel culvert |
| Length | about 21 ft |
| Location | 7M W Lavina |
| NBI structure number | P00014139+07601 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Montana department of transportation.
Busiest bridges in Golden Valley County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| S 3 over Big Coulee Creek | 1959 | 2,161 | Good |
| S 3 over Musselshell River | 1959 | 2,161 | Fair |
| US 12 over Careless Creek | 1988 | 2,040 | Good |
| S 3 over Painted Robe Creek | 1993 | 1,940 | Good |
| US 12 over Twin Coulee | 1935 | 448 | Fair |
| US 12 over Twin Coulee | 1935 | 448 | Fair |
All bridges nearby: Golden Valley County, MT bridge conditions · every bridge in Golden Valley County · Montana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.