T 171 over Heron Lake Outlet
GoodJackson County, Minnesota · 0.8 MI S of JCT TH 60 · Structure no. 32579
- Built
- 2021
- 4 years old
- Condition
- Good
- inspected October 2023
- Type
- Slab
- Wood or Timber
- Length
- 112 ft
- 4 main spans
- Daily traffic
- 49
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
T 171 over Heron Lake Outlet is a wood or timber slab carrying T 171 over Heron Lake Outlet in Jackson County, Minnesota. It was built in 2021, so it is 4 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 49 vehicles a day, projected to reach 49 by 2041. The structure is 112 ft (34.1 m) long and 30 ft wide. If it were closed, the detour would be 123 mi (198 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 | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 9 Excellent | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T 171 over Heron Lake Outlet built?
It was built in 2021, making it 4 years old in 2025.
What condition is T 171 over Heron Lake Outlet 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 2023.
How much traffic does T 171 over Heron Lake Outlet carry?
About 49 vehicles per day (2021 count).
How long is T 171 over Heron Lake Outlet?
The structure is 112 ft (34.1 m) long with a longest span of 28 ft (8.5 m) and a deck 30 ft wide.
Who owns T 171 over Heron Lake Outlet?
It is owned by the Town or Township Highway Agency.