IH 39 NB/90 WB over Cnw RR
GoodDane County, Wisconsin · 1.6M W JCT Ush 12 to E · Structure no. B13045900000000
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 135 ft
- 3 main spans
- Daily traffic
- 48,700
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
IH 39 NB/90 WB over Cnw RR is a steel continuous stringer/multi-beam or girder carrying IH 39 NB/90 WB over Cnw RR 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 48,700 vehicles a day, roughly 11% of them trucks, projected to reach 58,440 by 2042. The structure is 135 ft (41.1 m) long and 64 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 NB/90 WB over Cnw RR built?
It was built in 1997, making it 28 years old in 2025.
What condition is IH 39 NB/90 WB 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 July 2023.
How much traffic does IH 39 NB/90 WB over Cnw RR carry?
About 48,700 vehicles per day (2022 count), of which roughly 11% are trucks.
How long is IH 39 NB/90 WB over Cnw RR?
The structure is 135 ft (41.1 m) long with a longest span of 50 ft (15.2 m) and a deck 64 ft wide.
Who owns IH 39 NB/90 WB over Cnw RR?
It is owned by the State Highway Agency.