US085 over Crooked Ck
FairHarding County, South Dakota · 2.9 S North Dakota Line · Structure no. 000000032330029
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected March 2023
- Type
- Slab
- Concrete Continuous
- Length
- 132 ft
- 3 main spans
- Daily traffic
- 1,075
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US085 over Crooked Ck is a concrete continuous slab carrying US085 over Crooked Ck in Harding County, South Dakota. It was built in 1973, so it is 52 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 1,075 vehicles a day, roughly 25% of them trucks, projected to reach 1,409 by 2044. The structure is 132 ft (40.2 m) long and 47 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 | 7 Good | Some minor problems. |
| 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 US085 over Crooked Ck built?
It was built in 1973, making it 52 years old in 2025.
What condition is US085 over Crooked 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 Crooked Ck carry?
About 1,075 vehicles per day (2024 count), of which roughly 25% are trucks.
How long is US085 over Crooked Ck?
The structure is 132 ft (40.2 m) long with a longest span of 48 ft (14.5 m) and a deck 47 ft wide.
Who owns US085 over Crooked Ck?
It is owned by the State Highway Agency.