Bridge conditions in Toole County, Montana
35 inventoried bridges · 0 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Toole County is one of the counties with a clean sheet: 35 bridges on the federal inventory and not one rated poor. 21 carry a fair rating, which means wear worth watching but no structural deficiency.
- 0 of the 35 bridges in Toole County, Montana, are rated in poor condition (0.0%) in the 2025 National Bridge Inventory, as of .
- 14 bridges (40.0%) are rated good and 21 (60.0%) fair.
- The median Toole County bridge was built in 1974.
Good 40.0% · Fair 60.0% · Poor 0.0% of 35 bridges
Bridges rated poor
No bridges in this county carry a poor rating in the current inventory.
Busiest bridges in the 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 |
| I 15 over Int Shelby-rr | 1960 | 1,021 | Fair |
| I 15 over Int Kevin Hwy | 1980 | 972 | Good |
| I 15 over Int Kevin Hwy | 1964 | 972 | Fair |
| I 15 over Int 1ST St NE | 1977 | 955 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Montana: Montana bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.