US012 over Ck
FairGrant County, South Dakota · 1.1 W JCT Sd 123 · Structure no. 000000026171040
- Built
- 1994
- 31 years old
- Condition
- Fair
- inspected November 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 1,358
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US012 over Ck is a concrete continuous culvert carrying US012 over Ck in Grant County, South Dakota. It was built in 1994, so it is 31 years old, younger 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 1,358 vehicles a day, roughly 43% of them trucks, projected to reach 1,855 by 2044. The structure is 21 ft (6.3 m) long. 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US012 over Ck built?
It was built in 1994, making it 31 years old in 2025.
What condition is US012 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 November 2024.
How much traffic does US012 over Ck carry?
About 1,358 vehicles per day (2024 count), of which roughly 43% are trucks.
How long is US012 over Ck?
The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).
Who owns US012 over Ck?
It is owned by the State Highway Agency.