US018 over Ck
FairTripp County, South Dakota · 5 SE of Winner · Structure no. 000000062233315
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected December 2023
- Type
- Slab
- Concrete Continuous
- Length
- 106 ft
- 3 main spans
- Daily traffic
- 1,803
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US018 over Ck is a concrete continuous slab carrying US018 over Ck in Tripp 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 5 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 1,803 vehicles a day, roughly 14% of them trucks, projected to reach 2,447 by 2044. The structure is 106 ft (32.3 m) long and 47 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US018 over Ck built?
It was built in 1973, making it 52 years old in 2025.
What condition is US018 over 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 December 2023.
How much traffic does US018 over Ck carry?
About 1,803 vehicles per day (2024 count), of which roughly 14% are trucks.
How long is US018 over Ck?
The structure is 106 ft (32.3 m) long with a longest span of 38 ft (11.6 m) and a deck 47 ft wide.
Who owns US018 over Ck?
It is owned by the State Highway Agency.