Cth Ss over Porcupine Creek
Pepin County, Wisconsin · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Cth Ss over Porcupine Creek in Pepin County, Wisconsin, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1975, making it 50 years old at the 2025 inventory.
- It carries about 163 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 38 of the 57 inventoried bridges in Pepin County rated good (66.7%); 4 (7.0%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated April 2024, on a 24-month routine inspection cycle.
- 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 → (44.58396, -92.09528)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 7 | 7 | Good condition |
Bridge details
| Structure | Steel culvert |
| Length | about 30 ft |
| Location | 0.1M E Jct Cth Ss to S |
| NBI structure number | B46000200000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wisconsin department of transportation.
Busiest bridges in Pepin County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ush 10-sth 25-3rd over Chippewa River 02 | 2006 | 6,400 | Good |
| Ush 10-sth 25 over Thompson Lake | 1994 | 5,800 | Fair |
| Ush 10-sth 25 over Chippewa River Overflow | 1994 | 5,800 | Fair |
| Sth 85 over Bear Creek | 2008 | 3,400 | Good |
| Ush 10 over Eau Galle River | 1994 | 3,000 | Good |
| Ush 10 over Eau Galle River Overflow | 1994 | 3,000 | Good |
All bridges nearby: Pepin County, WI bridge conditions · every bridge in Pepin County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.