Cth N over Ush 12-USH 18
GoodDane County, Wisconsin · Town of Cottage Grove · Structure no. B13045600000000
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 210 ft
- 2 main spans
- Daily traffic
- 5,350
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Cth N over Ush 12-USH 18 is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth N over Ush 12-USH 18 in Dane County, Wisconsin. It was built in 1998, so it is 27 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 5,350 vehicles a day, roughly 7% of them trucks, projected to reach 6,420 by 2042. The structure is 210 ft (64 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 Cth N over Ush 12-USH 18 built?
It was built in 1998, making it 27 years old in 2025.
What condition is Cth N over Ush 12-USH 18 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 2024.
How much traffic does Cth N over Ush 12-USH 18 carry?
About 5,350 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is Cth N over Ush 12-USH 18?
The structure is 210 ft (64 m) long with a longest span of 106 ft (32.3 m) and a deck 71 ft wide.
Who owns Cth N over Ush 12-USH 18?
It is owned by the State Highway Agency.