Sth 81 over Turtle Creek
FairRock County, Wisconsin · 1.2M E JCT Ush 51 to N · Structure no. B53015100000000
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 171 ft
- 3 main spans
- Daily traffic
- 12,500
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Sth 81 over Turtle Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 81 over Turtle Creek in Rock County, Wisconsin. It was built in 1991, so it is 34 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 12,500 vehicles a day, roughly 23% of them trucks, projected to reach 12,514 by 2043. The structure is 171 ft (52.1 m) long and 64 ft wide. If it were closed, the detour would be 7.5 mi (12 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 | 8 Very Good | No problems noted. |
| 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 81 over Turtle Creek built?
It was built in 1991, making it 34 years old in 2025.
What condition is Sth 81 over Turtle 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 July 2024.
How much traffic does Sth 81 over Turtle Creek carry?
About 12,500 vehicles per day (2022 count), of which roughly 23% are trucks.
How long is Sth 81 over Turtle Creek?
The structure is 171 ft (52.1 m) long with a longest span of 56 ft (17.1 m) and a deck 64 ft wide.
Who owns Sth 81 over Turtle Creek?
It is owned by the City or Municipal Highway Agency.