Sth 29 EB over Cth J
FairMarathon County, Wisconsin · 4.1M E JCT Cth X · Structure no. B37017900000000
- Built
- 1990
- 35 years old
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 156 ft
- 1 main span
- Daily traffic
- 9,400
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 29 EB over Cth J is a steel stringer/multi-beam or girder carrying Sth 29 EB over Cth J in Marathon County, Wisconsin. It was built in 1990, so it is 35 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 9,400 vehicles a day, roughly 8% of them trucks, projected to reach 9,350 by 2043. The structure is 156 ft (47.6 m) long and 43 ft wide.
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 |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sth 29 EB over Cth J built?
It was built in 1990, making it 35 years old in 2025.
What condition is Sth 29 EB over Cth J 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 October 2024.
How much traffic does Sth 29 EB over Cth J carry?
About 9,400 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is Sth 29 EB over Cth J?
The structure is 156 ft (47.6 m) long with a longest span of 150 ft (45.7 m) and a deck 43 ft wide.
Who owns Sth 29 EB over Cth J?
It is owned by the State Highway Agency.