Csah 12 over Clearwater River
Red Lake County, Minnesota · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Csah 12 over Clearwater River in Red Lake County, Minnesota, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1978, making it 47 years old at the 2025 inventory.
- It carries about 260 vehicles a day (traffic count year 2018).
- Its listed owner is the county highway agency.
- It is one of 41 of the 59 inventoried bridges in Red Lake County rated good (69.5%); 1 (1.7%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated October 2023, on a 24-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- 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 → (47.84334, -96.12804)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 216 ft |
| Location | 0.7 Mi N of Jct Th 92 |
| NBI structure number | 63503 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Minnesota department of transportation.
Busiest bridges in Red Lake County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mn 32 over Clearwater River | 1941 | 4,600 | Fair |
| US 59 over Clearwater River | 2013 | 2,750 | Good |
| US 59 over Hill River | 1940 | 2,150 | Fair |
| US 59 over Lost River | 2015 | 2,150 | Fair |
| Mn 32 over Red Lake River | 2003 | 2,050 | Fair |
| Mn 32 over Cyr Creek | 1977 | 1,034 | Good |
All bridges nearby: Red Lake County, MN bridge conditions · every bridge in Red Lake County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.