Sth 29 WB over Lrd 72nd Ave
FairMarathon County, Wisconsin · 3.4M W JCT Sth 52 to E · Structure no. B37013100000000
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 129 ft
- 3 main spans
- Daily traffic
- 25,100
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 29 WB over Lrd 72nd Ave is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 29 WB over Lrd 72nd Ave in Marathon County, Wisconsin. It was built in 1971, so it is 54 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 5 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 25,100 vehicles a day, roughly 2% of them trucks, projected to reach 15,800 by 2043. The structure is 129 ft (39.4 m) long and 44 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 | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sth 29 WB over Lrd 72nd Ave built?
It was built in 1971, making it 54 years old in 2025.
What condition is Sth 29 WB over Lrd 72nd Ave 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 June 2024.
How much traffic does Sth 29 WB over Lrd 72nd Ave carry?
About 25,100 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is Sth 29 WB over Lrd 72nd Ave?
The structure is 129 ft (39.4 m) long with a longest span of 65 ft (19.8 m) and a deck 44 ft wide.
Who owns Sth 29 WB over Lrd 72nd Ave?
It is owned by the State Highway Agency.