S 67 over Int N Shelby I 15
Toole County, Montana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- S 67 over Int N Shelby I 15 in Toole County, Montana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1960, making it 65 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2025).
- Its listed owner is the state highway agency.
- It is one of 21 of the 35 inventoried bridges in Toole County rated fair (60.0%); 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 → (48.53036, -111.86122)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 280 ft |
| Location | 1M N Shelby |
| NBI structure number | P00067001+07541 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Montana department of transportation.
Busiest bridges in Toole County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| S 67 over Front St-rr | 1938 | 2,161 | Fair |
| I 15 over Sep County Road | 1976 | 1,520 | Fair |
| I 15 over Sep County Road | 1976 | 1,520 | Fair |
| I 15 over Marias River | 1976 | 1,311 | Good |
| I 15 over Marias River | 1976 | 1,311 | Good |
| I 15 over Int Shelby-rr | 1960 | 1,021 | Fair |
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.