Bridge conditions in Daniels County, Montana
33 inventoried bridges · 4 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Daniels County has 4 bridges rated poor out of 33 inventoried, a 12.1% share that puts it well above the national rate of about 7%.
- 4 of the 33 bridges in Daniels County, Montana, are rated in poor condition (12.1%) in the 2025 National Bridge Inventory, as of .
- 18 bridges (54.5%) are rated good and 11 (33.3%) fair.
- The median Daniels County bridge was built in 1988.
- The busiest poor-rated bridge is Irr - S 251 over Smoke Creek (built 1954), carrying about 101 vehicles a day.
Good 54.5% · Fair 33.3% · Poor 12.1% of 33 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Irr - S 251 over Smoke Creek | 1954 | 101 | Poor |
| County Road 224 over Coal Creek 010 | 1960 | 100 | Poor |
| Coal Creek Rd over Coal Creek 027 | 1950 | 100 | Poor |
| County Road 226 over Coal Creek 038 | 1971 | 100 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Irr - S 13 over Manternach Coulee | 1988 | 795 | Good |
| S 248 over Butte Creek | 2023 | 392 | Good |
| S 248 over Spring Creek | 2023 | 392 | Good |
| S 248 over Drainage | 2023 | 392 | Good |
| S248 over Drainage | 2024 | 392 | Good |
| S 248 over Poplar River | 1940 | 392 | Fair |
| S 248 over Drainage | 2007 | 392 | Good |
| S 5 over Drainage | 2011 | 323 | Good |
| Irr - S 13 over Negro Coulee | 1988 | 285 | Good |
| Irr - S 13 over Poplar River | 1988 | 285 | 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.