IH 43 SB over Cnw RR
GoodManitowoc County, Wisconsin · 1.2M S JCT Sth 147 · Structure no. B36009100000000
- Built
- 1978
- 47 years old
- Condition
- Good
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 219 ft
- 3 main spans
- Daily traffic
- 9,600
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
IH 43 SB over Cnw RR is a prestressed concrete continuous stringer/multi-beam or girder carrying IH 43 SB over Cnw RR in Manitowoc County, Wisconsin. It was built in 1978, so it is 47 years old, older than the Wisconsin average of 40.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 9,600 vehicles a day, roughly 16% of them trucks, projected to reach 11,800 by 2042. The structure is 219 ft (66.8 m) long and 43 ft wide. If it were closed, the detour would be 14.9 mi (24 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IH 43 SB over Cnw RR built?
It was built in 1978, making it 47 years old in 2025.
What condition is IH 43 SB over Cnw RR in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.
How much traffic does IH 43 SB over Cnw RR carry?
About 9,600 vehicles per day (2023 count), of which roughly 16% are trucks.
How long is IH 43 SB over Cnw RR?
The structure is 219 ft (66.8 m) long with a longest span of 71 ft (21.7 m) and a deck 43 ft wide.
Who owns IH 43 SB over Cnw RR?
It is owned by the State Highway Agency.