I 94 over Co Ditch # 31
Clay County, Minnesota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I 94 over Co Ditch # 31 in Clay County, Minnesota, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1970, making it 55 years old at the 2025 inventory.
- It carries about 16,295 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 92 of the 224 inventoried bridges in Clay County rated fair (41.1%); 11 (4.9%) are rated poor.
- 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 → (46.70961, -96.47192)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 26 ft |
| Location | 3.6 Mi NW of Jct Th 9 |
| NBI structure number | 91133 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Minnesota department of transportation.
Busiest bridges in Clay County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 94 over Co Ditch # 47 | 2003 | 36,000 | Good |
| I 94 over Red River;str | 1958 | 34,455 | Fair |
| I 94 over Red River;str | 1958 | 34,455 | Fair |
| Msas 126 over I 94 | 1973 | 22,815 | Fair |
| Msas 135 over BNSF RR; Cd #4 | 1997 | 17,960 | Fair |
| US 10 over Co Ditch # 41 | 1997 | 17,041 | Good |
All bridges nearby: Clay County, MN bridge conditions · every bridge in Clay County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.