Csah 4 over S Fk Groundhouse River
Kanabec County, Minnesota · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Csah 4 over S Fk Groundhouse River in Kanabec County, Minnesota, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 8 (very good condition) on the 0-9 scale.
- It was built in 1974, making it 51 years old at the 2025 inventory.
- It carries about 440 vehicles a day (traffic count year 2018).
- Its listed owner is the county highway agency.
- It is one of 47 of the 82 inventoried bridges in Kanabec County rated good (57.3%); 3 (3.7%) 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 → (45.76296, -93.48592)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 8 | Very good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 32 ft |
| Location | 0.5 Mi W of Jct Csah 4 |
| NBI structure number | 91297 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Minnesota department of transportation.
Busiest bridges in Kanabec County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mn 65 over Snake River | 2022 | 11,800 | Good |
| Mn 65 over Ann River | 2007 | 7,000 | Good |
| Mn 23 over S Fk Groundhouse River | 2024 | 6,290 | Good |
| Mn 23 over Groundhouse River | 1998 | 6,000 | Good |
| Mn 65 over Groundhouse River | 2007 | 5,975 | Fair |
| Mn 23 over Ann River | 1951 | 5,800 | Fair |
All bridges nearby: Kanabec County, MN bridge conditions · every bridge in Kanabec County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.