Ih 43 SB over Sth 28
Sheboygan County, Wisconsin · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ih 43 SB over Sth 28 in Sheboygan County, Wisconsin, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1984, making it 41 years old at the 2025 inventory.
- It carries about 18,050 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 143 of the 239 inventoried bridges in Sheboygan County rated fair (59.8%); 12 (5.0%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (43.71793, -87.76068)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 183 ft |
| Location | 1.6M S Jct Cth Ppp |
| NBI structure number | B59005300000000 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wisconsin department of transportation.
Busiest bridges in Sheboygan County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 43 over Br Sheboygan River | 1966 | 36,100 | Fair |
| Ih 43 NB over Cth Ee | 1967 | 28,300 | Fair |
| Ih 43 SB over Cth Ee | 1971 | 28,300 | Fair |
| Ih 43 SB over Cnw RR | 1971 | 28,300 | Fair |
| Sth 23 over Br Mullet River | 1984 | 20,700 | Fair |
| Sth 23 (erie St) over Cnw RR | 1980 | 19,500 | Fair |
All bridges nearby: Sheboygan County, WI bridge conditions · every bridge in Sheboygan County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.