US085 over Sand Ck
FairHarding County, South Dakota · 17 S JCT Sd 20 E · Structure no. 000000032250478
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected April 2023
- Type
- Slab
- Concrete Continuous
- Length
- 175 ft
- 5 main spans
- Daily traffic
- 1,190
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US085 over Sand Ck is a concrete continuous slab carrying US085 over Sand Ck in Harding County, South Dakota. It was built in 1974, so it is 51 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 1,190 vehicles a day, roughly 31% of them trucks, projected to reach 1,708 by 2044. The structure is 175 ft (53.2 m) long and 47 ft wide. If it were closed, the detour would be 49.7 mi (80 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 US085 over Sand Ck built?
It was built in 1974, making it 51 years old in 2025.
What condition is US085 over Sand 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 April 2023.
How much traffic does US085 over Sand Ck carry?
About 1,190 vehicles per day (2024 count), of which roughly 31% are trucks.
How long is US085 over Sand Ck?
The structure is 175 ft (53.2 m) long with a longest span of 35 ft (10.8 m) and a deck 47 ft wide.
Who owns US085 over Sand Ck?
It is owned by the State Highway Agency.