486th Avenue over Pipestone Creek
FairMinnehaha County, South Dakota · 1W & 3.5N Sherman · Structure no. 000000050320025
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected July 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 112 ft
- 2 main spans
- Daily traffic
- 33
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
486th Avenue over Pipestone Creek is a prestressed concrete tee beam carrying 486th Avenue over Pipestone Creek in Minnehaha County, South Dakota. It was built in 1979, so it is 46 years old, younger than the South Dakota average of 48.9 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 33 vehicles a day, roughly 2% of them trucks, projected to reach 38 by 2037. The structure is 112 ft (34.1 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 486th Avenue over Pipestone Creek built?
It was built in 1979, making it 46 years old in 2025.
What condition is 486th Avenue over Pipestone 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 486th Avenue over Pipestone Creek carry?
About 33 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 486th Avenue over Pipestone Creek?
The structure is 112 ft (34.1 m) long with a longest span of 55 ft (16.8 m) and a deck 32 ft wide.
Who owns 486th Avenue over Pipestone Creek?
It is owned by the County Highway Agency.