IH 43 SB over Sth 54 Wb-Sth 57 SB
FairBrown County, Wisconsin · 0.7M S JCT Sth 54 to E · Structure no. B05021500000000
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 182 ft
- 3 main spans
- Daily traffic
- 18,200
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
IH 43 SB over Sth 54 Wb-Sth 57 SB is a prestressed concrete continuous stringer/multi-beam or girder carrying IH 43 SB over Sth 54 Wb-Sth 57 SB in Brown County, Wisconsin. It was built in 1979, so it is 46 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 18,200 vehicles a day, roughly 22% of them trucks, projected to reach 50,400 by 2043. The structure is 182 ft (55.4 m) long and 54 ft wide. If it were closed, the detour would be 0.6 mi (1 km).
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 | 7 Good | Some minor problems. |
| 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 54 Wb-Sth 57 SB built?
It was built in 1979, making it 46 years old in 2025.
What condition is IH 43 SB over Sth 54 Wb-Sth 57 SB 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 May 2024.
How much traffic does IH 43 SB over Sth 54 Wb-Sth 57 SB carry?
About 18,200 vehicles per day (2024 count), of which roughly 22% are trucks.
How long is IH 43 SB over Sth 54 Wb-Sth 57 SB?
The structure is 182 ft (55.4 m) long with a longest span of 105 ft (31.9 m) and a deck 54 ft wide.
Who owns IH 43 SB over Sth 54 Wb-Sth 57 SB?
It is owned by the State Highway Agency.