IH 43 NB over Sth 11
FairWalworth County, Wisconsin · 1.8 MI N JCT Ush 12 · Structure no. B64010400000000
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 267 ft
- 2 main spans
- Daily traffic
- 9,950
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
IH 43 NB over Sth 11 is a steel continuous stringer/multi-beam or girder carrying IH 43 NB over Sth 11 in Walworth County, Wisconsin. It was built in 1972, so it is 53 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 9,950 vehicles a day, roughly 17% of them trucks, projected to reach 11,940 by 2042. The structure is 267 ft (81.5 m) long and 48 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 NB over Sth 11 built?
It was built in 1972, making it 53 years old in 2025.
What condition is IH 43 NB over Sth 11 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 October 2023.
How much traffic does IH 43 NB over Sth 11 carry?
About 9,950 vehicles per day (2022 count), of which roughly 17% are trucks.
How long is IH 43 NB over Sth 11?
The structure is 267 ft (81.5 m) long with a longest span of 131 ft (39.9 m) and a deck 48 ft wide.
Who owns IH 43 NB over Sth 11?
It is owned by the State Highway Agency.