IH 39 Sb/Ih 90 EB over Sth 30 WB
GoodDane County, Wisconsin · 0.3M E JCT IH 94 to E · Structure no. B13030700000000
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 115 ft
- 3 main spans
- Daily traffic
- 54,500
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
IH 39 Sb/Ih 90 EB over Sth 30 WB is a prestressed concrete continuous stringer/multi-beam or girder carrying IH 39 Sb/Ih 90 EB over Sth 30 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 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 54,500 vehicles a day, roughly 10% of them trucks, projected to reach 65,400 by 2042. The structure is 115 ft (34.9 m) long and 71 ft wide.
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 39 Sb/Ih 90 EB over Sth 30 WB built?
It was built in 1997, making it 28 years old in 2025.
What condition is IH 39 Sb/Ih 90 EB over Sth 30 WB 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 May 2023.
How much traffic does IH 39 Sb/Ih 90 EB over Sth 30 WB carry?
About 54,500 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is IH 39 Sb/Ih 90 EB over Sth 30 WB?
The structure is 115 ft (34.9 m) long with a longest span of 48 ft (14.6 m) and a deck 71 ft wide.
Who owns IH 39 Sb/Ih 90 EB over Sth 30 WB?
It is owned by the State Highway Agency.