IH 43 SB over Lrd Carstens Lake RD
FairManitowoc County, Wisconsin · 3.6M S JCT Ush 151 · Structure no. B36005200000000
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 140 ft
- 3 main spans
- Daily traffic
- 11,600
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
IH 43 SB over Lrd Carstens Lake RD is a prestressed concrete continuous stringer/multi-beam or girder carrying IH 43 SB over Lrd Carstens Lake RD in Manitowoc 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 6 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 11,600 vehicles a day, roughly 20% of them trucks, projected to reach 22,550 by 2042. The structure is 140 ft (42.6 m) long and 43 ft wide. If it were closed, the detour would be 26.7 mi (43 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 | 8 Very Good | No problems noted. |
| 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 Carstens Lake RD built?
It was built in 1979, making it 46 years old in 2025.
What condition is IH 43 SB over Lrd Carstens Lake RD 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 August 2023.
How much traffic does IH 43 SB over Lrd Carstens Lake RD carry?
About 11,600 vehicles per day (2023 count), of which roughly 20% are trucks.
How long is IH 43 SB over Lrd Carstens Lake RD?
The structure is 140 ft (42.6 m) long with a longest span of 66 ft (20.1 m) and a deck 43 ft wide.
Who owns IH 43 SB over Lrd Carstens Lake RD?
It is owned by the State Highway Agency.