IH-43 SB over Lrd Shadow Lane
FairBrown County, Wisconsin · 0.8M S JCT Cth Mm (s) · Structure no. B05024700000000
- Built
- 1980
- 45 years old
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 150 ft
- 3 main spans
- Daily traffic
- 11,150
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
IH-43 SB over Lrd Shadow Lane is a prestressed concrete continuous stringer/multi-beam or girder carrying IH-43 SB over Lrd Shadow Lane in Brown County, Wisconsin. It was built in 1980, so it is 45 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 11,150 vehicles a day, roughly 22% of them trucks, projected to reach 22,400 by 2043. The structure is 150 ft (45.8 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 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 Lrd Shadow Lane built?
It was built in 1980, making it 45 years old in 2025.
What condition is IH-43 SB over Lrd Shadow Lane 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 Lrd Shadow Lane carry?
About 11,150 vehicles per day (2022 count), of which roughly 22% are trucks.
How long is IH-43 SB over Lrd Shadow Lane?
The structure is 150 ft (45.8 m) long with a longest span of 67 ft (20.4 m) and a deck 43 ft wide.
Who owns IH-43 SB over Lrd Shadow Lane?
It is owned by the State Highway Agency.