Sth 180 over Twin Creek
Marinette County, Wisconsin · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Sth 180 over Twin Creek in Marinette 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 1987, making it 38 years old at the 2025 inventory.
- It carries about 1,400 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 76 of the 135 inventoried bridges in Marinette County rated good (56.3%); 12 (8.9%) 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 → (45.2012, -87.74282)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 27 ft |
| Location | 1.6M N Jct Cth G |
| NBI structure number | B38003400000000 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wisconsin department of transportation.
Busiest bridges in Marinette County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ush 41-bridge St over Menominee River | 2005 | 18,592 | Good |
| Ush 41-bridge St over Menominee River | 2005 | 18,300 | Good |
| Ush 41 over Unnamed CR | 2008 | 13,000 | Good |
| Ush 141 over Peshtigo River | 1992 | 8,900 | Good |
| Ush 141 over S Br Beaver Creek | 1999 | 7,400 | Good |
| Lrd Hattie St over Menominee River | 1976 | 7,200 | Fair |
All bridges nearby: Marinette County, WI bridge conditions · every bridge in Marinette County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.