Cth N over Twin Lake Tributary
GoodSt. Croix County, Wisconsin · 0.6M E JCT Cth Ss · Structure no. B55008100000000
- Built
- 1982
- 43 years old
- Condition
- Good
- inspected October 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 22 ft
- 2 main spans
- Daily traffic
- 1,400
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Cth N over Twin Lake Tributary is a concrete continuous culvert carrying Cth N over Twin Lake Tributary in St. Croix County, Wisconsin. It was built in 1982, so it is 43 years old, older 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 1,400 vehicles a day, projected to reach 1,392 by 2042. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 6.8 mi (11 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cth N over Twin Lake Tributary built?
It was built in 1982, making it 43 years old in 2025.
What condition is Cth N over Twin Lake Tributary 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 October 2023.
How much traffic does Cth N over Twin Lake Tributary carry?
About 1,400 vehicles per day (2022 count).
How long is Cth N over Twin Lake Tributary?
The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).
Who owns Cth N over Twin Lake Tributary?
It is owned by the County Highway Agency.