331 Rabbit/obrien over Obrien CR
Lincoln County, Montana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 331 Rabbit/obrien over Obrien CR in Lincoln County, Montana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1979, making it 46 years old at the 2025 inventory.
- It carries about 20 vehicles a day (traffic count year 1994).
- It is one of 70 of the 191 inventoried bridges in Lincoln County rated good (36.6%); 29 (15.2%) 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 → (48.55859, -115.79449)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 28 ft |
| Location | Just Before Jct With 752 |
| NBI structure number | 011404000000047 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Montana department of transportation.
Busiest bridges in Lincoln County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 2 over Flower Creek | 1970 | 8,882 | Good |
| California Ave over Kootenai River | 1959 | 5,674 | Fair |
| US 2 over Big Cherry Creek | 1976 | 5,295 | Poor |
| California Ave over RR | 1999 | 4,833 | Good |
| US 2 over Callahan Creek | 1989 | 3,671 | Fair |
| US 2 over Lake Creek | 1989 | 3,377 | Fair |
All bridges nearby: Lincoln County, MT bridge conditions · every bridge in Lincoln County · Montana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.