Rd 615 over Pipe Creek
Lincoln County, Montana · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rd 615 over Pipe Creek in Lincoln County, Montana, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1962, making it 63 years old at the 2025 inventory.
- It carries about 50 vehicles a day.
- It is one of 29 of the 191 inventoried bridges in Lincoln County rated poor (15.2%); 29 (15.2%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (poor), but component ratings moved: superstructure 7 to 6.
- Its most recent inspection on record is dated July 2024, on a 24-month routine inspection cycle.
- 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.
View this bridge on a map → (48.52321, -115.52782)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 6 | Satisfactory condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Timber stringer or multi-beam girder |
| Length | about 45 ft |
| Location | Barron Blue |
| NBI structure number | 011405000000111 |
| Condition class | Poor |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
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.