US 71 over Stony Brook (jd# 6)
FairJackson County, Minnesota · 5.3 MI S of JCT Csah 34 · Structure no. 32001
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 87 ft
- 1 main span
- Daily traffic
- 2,250
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
US 71 over Stony Brook (jd# 6) is a prestressed concrete stringer/multi-beam or girder carrying US 71 over Stony Brook (jd# 6) in Jackson County, Minnesota. It was built in 1979, so it is 46 years old, older than the Minnesota average of 38.5 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 2,250 vehicles a day, roughly 9% of them trucks, projected to reach 2,100 by 2038. The structure is 87 ft (26.5 m) long and 50 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 71 over Stony Brook (jd# 6) built?
It was built in 1979, making it 46 years old in 2025.
What condition is US 71 over Stony Brook (jd# 6) 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 April 2024.
How much traffic does US 71 over Stony Brook (jd# 6) carry?
About 2,250 vehicles per day (2018 count), of which roughly 9% are trucks.
How long is US 71 over Stony Brook (jd# 6)?
The structure is 87 ft (26.5 m) long with a longest span of 84 ft (25.7 m) and a deck 50 ft wide.
Who owns US 71 over Stony Brook (jd# 6)?
It is owned by the State Highway Agency.