Csah 7 over Lost River
Clearwater County, Minnesota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Csah 7 over Lost River in Clearwater County, Minnesota, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1959, making it 66 years old at the 2025 inventory.
- It carries about 245 vehicles a day (traffic count year 2019).
- Its listed owner is the county highway agency.
- It is one of 26 of the 50 inventoried bridges in Clearwater County rated fair (52.0%); 0 (0.0%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: superstructure 6 to 5.
- Its most recent inspection on record is dated September 2024, on a 24-month routine inspection cycle.
- 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 → (47.78337, -95.51664)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 5 | Fair condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Timber slab |
| Length | about 62 ft |
| Location | 0.1 Mi N of Jct Csah 48 |
| NBI structure number | 7249 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Minnesota department of transportation.
Busiest bridges in Clearwater County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mn 1 over Sandy River | 2010 | 3,300 | Good |
| US 2 over Clearwater River | 1966 | 2,808 | Fair |
| Mn 92 over Clearwater River | 1942 | 2,750 | Fair |
| US 2 over Clearwater River | 1988 | 2,474 | Fair |
| Mn 92 over Silver Creek | 1930 | 1,350 | Fair |
| Mn 92 over Wild Rice River | 1977 | 1,125 | Fair |
All bridges nearby: Clearwater County, MN bridge conditions · every bridge in Clearwater County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.