Cth N over Elm Brook
FairMarathon County, Wisconsin · 0.1M E JCT Sth 13 · Structure no. B37022700000000
- Built
- 1986
- 39 years old
- Condition
- Fair
- inspected September 2023
- Type
- Culvert
- Concrete
- Length
- 33 ft
- 3 main spans
- Daily traffic
- 1,320
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Cth N over Elm Brook is a concrete culvert carrying Cth N over Elm Brook in Marathon County, Wisconsin. It was built in 1986, so it is 39 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 1,320 vehicles a day, projected to reach 1,353 by 2042. The structure is 33 ft (10 m) long. If it were closed, the detour would be 5.6 mi (9 km).
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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cth N over Elm Brook built?
It was built in 1986, making it 39 years old in 2025.
What condition is Cth N over Elm Brook 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 September 2023.
How much traffic does Cth N over Elm Brook carry?
About 1,320 vehicles per day (2023 count).
How long is Cth N over Elm Brook?
The structure is 33 ft (10 m) long with a longest span of 10 ft (3 m).
Who owns Cth N over Elm Brook?
It is owned by the County Highway Agency.