IH 43 SB over Cth C
FairManitowoc County, Wisconsin · 4.8M S JCT Ush 151 · Structure no. B36005000000000
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 196 ft
- 2 main spans
- Daily traffic
- 11,250
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
IH 43 SB over Cth C is a prestressed concrete continuous stringer/multi-beam or girder carrying IH 43 SB over Cth C 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 11,250 vehicles a day, roughly 20% of them trucks, projected to reach 22,550 by 2042. The structure is 196 ft (59.6 m) long and 43 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 | 7 Good | Some minor problems. |
| 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 Cth C built?
It was built in 1979, making it 46 years old in 2025.
What condition is IH 43 SB over Cth C 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 Cth C carry?
About 11,250 vehicles per day (2021 count), of which roughly 20% are trucks.
How long is IH 43 SB over Cth C?
The structure is 196 ft (59.6 m) long with a longest span of 95 ft (29.1 m) and a deck 43 ft wide.
Who owns IH 43 SB over Cth C?
It is owned by the State Highway Agency.