IH 43 SB over Sth 42
FairSheboygan County, Wisconsin · At JCT Sth 42 to N · Structure no. B59002500000000
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 201 ft
- 2 main spans
- Daily traffic
- 16,500
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
IH 43 SB over Sth 42 is a steel continuous stringer/multi-beam or girder carrying IH 43 SB over Sth 42 in Sheboygan County, Wisconsin. It was built in 1966, so it is 59 years old, older than the Wisconsin average of 40.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 16,500 vehicles a day, roughly 20% of them trucks, projected to reach 23,350 by 2042. The structure is 201 ft (61.2 m) long and 42 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IH 43 SB over Sth 42 built?
It was built in 1966, making it 59 years old in 2025.
What condition is IH 43 SB over Sth 42 in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.
How much traffic does IH 43 SB over Sth 42 carry?
About 16,500 vehicles per day (2021 count), of which roughly 20% are trucks.
How long is IH 43 SB over Sth 42?
The structure is 201 ft (61.2 m) long with a longest span of 100 ft (30.5 m) and a deck 42 ft wide.
Who owns IH 43 SB over Sth 42?
It is owned by the State Highway Agency.