IH 39 NB Off Ramp over Ush 12 Wb-Ush 18 WB
FairDane County, Wisconsin · 5.3M W JCT Cth N (a) · Structure no. B13046500000000
- Built
- 1997
- 28 years old
- Condition
- Fair
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 122 ft
- 3 main spans
- Daily traffic
- 29,600
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
IH 39 NB Off Ramp over Ush 12 Wb-Ush 18 WB is a prestressed concrete continuous stringer/multi-beam or girder carrying IH 39 NB Off Ramp over Ush 12 Wb-Ush 18 WB in Dane County, Wisconsin. It was built in 1997, so it is 28 years old, younger 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 29,600 vehicles a day, roughly 16% of them trucks, projected to reach 35,520 by 2042. The structure is 122 ft (37.1 m) long and 65 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 | 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 39 NB Off Ramp over Ush 12 Wb-Ush 18 WB built?
It was built in 1997, making it 28 years old in 2025.
What condition is IH 39 NB Off Ramp over Ush 12 Wb-Ush 18 WB 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 December 2023.
How much traffic does IH 39 NB Off Ramp over Ush 12 Wb-Ush 18 WB carry?
About 29,600 vehicles per day (2022 count), of which roughly 16% are trucks.
How long is IH 39 NB Off Ramp over Ush 12 Wb-Ush 18 WB?
The structure is 122 ft (37.1 m) long with a longest span of 48 ft (14.6 m) and a deck 65 ft wide.
Who owns IH 39 NB Off Ramp over Ush 12 Wb-Ush 18 WB?
It is owned by the State Highway Agency.