SD020 over Ck
FairGrant County, South Dakota · 4.1 E JCT Sd 15 · Structure no. 000000026332220
- Built
- 1956
- 69 years old
- Condition
- Fair
- inspected November 2024
- Type
- Slab
- Concrete Continuous
- Length
- 67 ft
- 3 main spans
- Daily traffic
- 244
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD020 over Ck is a concrete continuous slab carrying SD020 over Ck in Grant County, South Dakota. It was built in 1956, so it is 69 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 244 vehicles a day, roughly 19% of them trucks, projected to reach 333 by 2044. The structure is 67 ft (20.4 m) long and 34 ft wide. If it were closed, the detour would be 8.7 mi (14 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 SD020 over Ck built?
It was built in 1956, making it 69 years old in 2025.
What condition is SD020 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 SD020 over Ck carry?
About 244 vehicles per day (2024 count), of which roughly 19% are trucks.
How long is SD020 over Ck?
The structure is 67 ft (20.4 m) long with a longest span of 23 ft (7.1 m) and a deck 34 ft wide.
Who owns SD020 over Ck?
It is owned by the State Highway Agency.