T 81 over Rock River
GoodRock County, Minnesota · 0.1 MI S of N CO Line · Structure no. 67543
- Built
- 2000
- 25 years old
- Condition
- Good
- inspected October 2024
- Type
- Slab
- Concrete Continuous
- Length
- 123 ft
- 3 main spans
- Daily traffic
- 71
- 2000 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
T 81 over Rock River is a concrete continuous slab carrying T 81 over Rock River in Rock County, Minnesota. It was built in 2000, so it is 25 years old, younger than the Minnesota average of 38.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 71 vehicles a day, projected to reach 71 by 2029. The structure is 123 ft (37.6 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T 81 over Rock River built?
It was built in 2000, making it 25 years old in 2025.
What condition is T 81 over Rock River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.
How much traffic does T 81 over Rock River carry?
About 71 vehicles per day (2000 count).
How long is T 81 over Rock River?
The structure is 123 ft (37.6 m) long with a longest span of 46 ft (14 m) and a deck 35 ft wide.
Who owns T 81 over Rock River?
It is owned by the Town or Township Highway Agency.