Mn 56 over Stream
Mower County, Minnesota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Mn 56 over Stream in Mower 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 1955, making it 70 years old at the 2025 inventory.
- It carries about 2,900 vehicles a day (traffic count year 2018).
- Its listed owner is the state highway agency.
- It is one of 162 of the 343 inventoried bridges in Mower County rated fair (47.2%); 28 (8.2%) 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 → (43.74546, -92.86936)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 26 ft |
| Location | 0.3 Mi N of Jct Csah 2 |
| NBI structure number | 6437 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Minnesota department of transportation.
Busiest bridges in Mower County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Con 2589 over I 90 | 2010 | 27,200 | Good |
| I 90 over Dobbins Creek | 2009 | 18,300 | Good |
| I 90 over Rose Creek | 1959 | 13,166 | Poor |
| I 90 over Rose Creek | 1959 | 13,166 | Fair |
| I 90 EB over Cedar River | 2024 | 11,649 | Good |
| I 90 over Cedar River | 1958 | 11,649 | Fair |
All bridges nearby: Mower County, MN bridge conditions · every bridge in Mower County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.