Csah 21 over Two Rivers
Morrison County, Minnesota · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Csah 21 over Two Rivers in Morrison County, Minnesota, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 9 (excellent condition) on the 0-9 scale.
- It was built in 2020, making it 5 years old at the 2025 inventory.
- It carries about 1,050 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 99 of the 164 inventoried bridges in Morrison County rated good (60.4%); 5 (3.0%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (45.8034, -94.51296)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 9 | Excellent condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 25 ft |
| Location | 1.0 Mi W of Jct Csah 1 |
| NBI structure number | 49K02 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Minnesota department of transportation.
Busiest bridges in Morrison County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mn 27 over Mississippi River | 1941 | 14,200 | Fair |
| Mn 371 over Fletcher Creek | 2005 | 12,900 | Fair |
| US 10 over BNSF RR; Csah 76 | 1974 | 11,000 | Fair |
| US 10 over Mississippi River | 1973 | 11,000 | Fair |
| US 10 over Miss. River Back Channel | 2010 | 11,000 | Good |
| US 10 over Mn 27 | 1973 | 10,376 | Good |
All bridges nearby: Morrison County, MN bridge conditions · every bridge in Morrison County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.