Cth Ab over IH 90 / IH 39
GoodDane County, Wisconsin · 1.4M S JCT Ush 12 · Structure no. B13072600000000
- Built
- 2017
- 8 years old
- Condition
- Good
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 237 ft
- 2 main spans
- Daily traffic
- 1,800
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Cth Ab over IH 90 / IH 39 is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth Ab over IH 90 / IH 39 in Dane County, Wisconsin. It was built in 2017, so it is 8 years old, younger 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 1,800 vehicles a day, projected to reach 2,160 by 2042. The structure is 237 ft (72.2 m) long and 55 ft wide. If it were closed, the detour would be 5.6 mi (9 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cth Ab over IH 90 / IH 39 built?
It was built in 2017, making it 8 years old in 2025.
What condition is Cth Ab over IH 90 / IH 39 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 Cth Ab over IH 90 / IH 39 carry?
About 1,800 vehicles per day (2022 count).
How long is Cth Ab over IH 90 / IH 39?
The structure is 237 ft (72.2 m) long with a longest span of 116 ft (35.4 m) and a deck 55 ft wide.
Who owns Cth Ab over IH 90 / IH 39?
It is owned by the State Highway Agency.