Sth 171 over Knapp Creek
Richland County, Wisconsin · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Sth 171 over Knapp Creek in Richland County, Wisconsin, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2002, making it 23 years old at the 2025 inventory.
- It carries about 350 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 158 of the 297 inventoried bridges in Richland County rated good (53.2%); 10 (3.4%) 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 → (43.33215, -90.66265)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 133 ft |
| Location | 1.0M W Jct Cth H to N |
| NBI structure number | B52023100000000 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wisconsin department of transportation.
Busiest bridges in Richland County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ush 14 over Willow Creek | 1976 | 6,500 | Good |
| Lrd Orange St over Nrcs Drainage Channel | 1999 | 5,900 | Good |
| Ush Orange St (ush over Nrcs Drainage Channel | 1999 | 5,900 | Good |
| Ush 14-sth 60 over Bear Creek | 1994 | 5,400 | Good |
| Sth 80-main St over Pine River | 1993 | 5,200 | Good |
| Sth 56-sth 80-main over Pine River | 1989 | 4,600 | Fair |
All bridges nearby: Richland County, WI bridge conditions · every bridge in Richland County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.