Irr - S 13 over Manternach Coulee
Daniels County, Montana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Irr - S 13 over Manternach Coulee in Daniels County, Montana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1988, making it 37 years old at the 2025 inventory.
- It carries about 795 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 18 of the 33 inventoried bridges in Daniels County rated good (54.5%); 4 (12.1%) 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 → (48.74682, -105.42059)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Steel culvert |
| Length | about 21 ft |
| Location | 2M S Scobey |
| NBI structure number | P00032048+01431 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Montana department of transportation.
Busiest bridges in Daniels County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| 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 |
All bridges nearby: Daniels County, MT bridge conditions · every bridge in Daniels County · Montana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.