Csah 1 over Co Ditch # 22
Redwood County, Minnesota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Csah 1 over Co Ditch # 22 in Redwood 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 1917, making it 108 years old at the 2025 inventory.
- It carries about 420 vehicles a day (traffic count year 2019).
- Its listed owner is the county highway agency.
- It is one of 69 of the 201 inventoried bridges in Redwood County rated fair (34.3%); 24 (11.9%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated September 2023, 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 → (44.48193, -95.06791)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete girder and floorbeam |
| Length | about 32 ft |
| Location | 2.0 Mi S of Jct Th 67 |
| NBI structure number | 2594 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | September 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Minnesota department of transportation.
Busiest bridges in Redwood County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mn 19 over Redwood River | 1934 | 6,700 | Good |
| Mn 19 over Mpli Rail | 1996 | 5,343 | Fair |
| Mn 19 over Sulpher Lake | 1997 | 5,343 | Fair |
| Mn 19 over Minnesota River | 1997 | 5,343 | Good |
| Mn 19 over Crow Creek | 1997 | 4,735 | Fair |
| Mn 19 over Ramsey Creek | 1973 | 3,483 | Fair |
All bridges nearby: Redwood County, MN bridge conditions · every bridge in Redwood County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.