Csah 9 over Blue Earth River
Blue Earth County, Minnesota · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Csah 9 over Blue Earth River in Blue Earth County, Minnesota, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- It was built in 1985, making it 40 years old at the 2025 inventory.
- It carries about 572 vehicles a day (traffic count year 2021).
- Its listed owner is the county highway agency.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (44.09207, -94.10795)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 1 | Imminent failure condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 616 ft |
| Location | 0.5 Mi SW of Jct Csah 34 |
| NBI structure number | 07542 |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Minnesota department of transportation.
All bridges nearby: Blue Earth County, MN bridge conditions · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.