US085 over Sheep Ck
FairHarding County, South Dakota · 3.6 N of Buffalo · Structure no. 000000032257223
- Built
- 1963
- 62 years old
- Condition
- Fair
- inspected March 2023
- Type
- Slab
- Concrete Continuous
- Length
- 106 ft
- 5 main spans
- Daily traffic
- 1,248
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US085 over Sheep Ck is a concrete continuous slab carrying US085 over Sheep Ck in Harding County, South Dakota. It was built in 1963, so it is 62 years old, older 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 1,248 vehicles a day, roughly 26% of them trucks, projected to reach 1,636 by 2044. The structure is 106 ft (32.2 m) long and 34 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 US085 over Sheep Ck built?
It was built in 1963, making it 62 years old in 2025.
What condition is US085 over Sheep Ck 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 March 2023.
How much traffic does US085 over Sheep Ck carry?
About 1,248 vehicles per day (2024 count), of which roughly 26% are trucks.
How long is US085 over Sheep Ck?
The structure is 106 ft (32.2 m) long with a longest span of 21 ft (6.3 m) and a deck 34 ft wide.
Who owns US085 over Sheep Ck?
It is owned by the State Highway Agency.