US018 over Ck
FairBennett County, South Dakota · 3.8 E Oglala Lakota CO LN · Structure no. 000000004037172
- Built
- 1951
- 74 years old
- Condition
- Fair
- inspected September 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 37 ft
- 3 main spans
- Daily traffic
- 906
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US018 over Ck is a concrete continuous culvert carrying US018 over Ck in Bennett County, South Dakota. It was built in 1951, so it is 74 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 906 vehicles a day, roughly 12% of them trucks, projected to reach 1,206 by 2044. The structure is 37 ft (11.4 m) long. If it were closed, the detour would be 39.1 mi (63 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US018 over Ck built?
It was built in 1951, making it 74 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 September 2023.
How much traffic does US018 over Ck carry?
About 906 vehicles per day (2024 count), of which roughly 12% are trucks.
How long is US018 over Ck?
The structure is 37 ft (11.4 m) long with a longest span of 12 ft (3.7 m).
Who owns US018 over Ck?
It is owned by the State Highway Agency.