T 404 over Co Ditch # 66
Polk County, Minnesota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- T 404 over Co Ditch # 66 in Polk 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 1991, making it 34 years old at the 2025 inventory.
- It carries about 25 vehicles a day (traffic count year 1973).
- Its listed owner is a town or township highway agency.
- It is one of 94 of the 269 inventoried bridges in Polk County rated fair (34.9%); 8 (3.0%) 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 → (48.03028, -96.80318)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 56 ft |
| Location | 0.6 Mi N of Jct Csah 21 |
| NBI structure number | 97138 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Minnesota department of transportation.
Busiest bridges in Polk County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 2 over Red River | 1963 | 15,475 | Fair |
| US 2 over 4th ST NW | 1964 | 13,700 | Fair |
| US 2B over Red River | 1929 | 13,400 | Fair |
| Msas 119 over Red Lake River | 1980 | 7,400 | Fair |
| Msas 113 over Red River of the North | 1967 | 6,630 | Fair |
| US 2 over Red Lake River | 1990 | 4,760 | Fair |
All bridges nearby: Polk County, MN bridge conditions · every bridge in Polk County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.