Sth 29 WB over Porky Creek
FairMarathon County, Wisconsin · 2.8M W JCT Cth F · Structure no. B37020100000000
- Built
- 1982
- 43 years old
- Condition
- Fair
- inspected September 2024
- Type
- Slab
- Concrete
- Length
- 38 ft
- 1 main span
- Daily traffic
- 6,400
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 29 WB over Porky Creek is a concrete slab carrying Sth 29 WB over Porky Creek in Marathon 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 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 6,400 vehicles a day, roughly 8% of them trucks, projected to reach 15,000 by 2043. The structure is 38 ft (11.6 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 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 |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sth 29 WB over Porky Creek built?
It was built in 1982, making it 43 years old in 2025.
What condition is Sth 29 WB over Porky Creek 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 2024.
How much traffic does Sth 29 WB over Porky Creek carry?
About 6,400 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is Sth 29 WB over Porky Creek?
The structure is 38 ft (11.6 m) long with a longest span of 38 ft (11.6 m) and a deck 42 ft wide.
Who owns Sth 29 WB over Porky Creek?
It is owned by the State Highway Agency.