SD020 over Clarks Fork Ck
GoodHarding County, South Dakota · 8.8 E JCT US 85 · Structure no. 000000032339272
- Built
- 1995
- 30 years old
- Condition
- Good
- inspected June 2022
- Type
- Slab
- Concrete Continuous
- Length
- 215 ft
- 5 main spans
- Daily traffic
- 191
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD020 over Clarks Fork Ck is a concrete continuous slab carrying SD020 over Clarks Fork Ck in Harding County, South Dakota. It was built in 1995, so it is 30 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 191 vehicles a day, roughly 19% of them trucks, projected to reach 250 by 2044. The structure is 215 ft (65.5 m) long and 39 ft wide. If it were closed, the detour would be 72.7 mi (117 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD020 over Clarks Fork Ck built?
It was built in 1995, making it 30 years old in 2025.
What condition is SD020 over Clarks Fork Ck in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2022.
How much traffic does SD020 over Clarks Fork Ck carry?
About 191 vehicles per day (2024 count), of which roughly 19% are trucks.
How long is SD020 over Clarks Fork Ck?
The structure is 215 ft (65.5 m) long with a longest span of 43 ft (13.2 m) and a deck 39 ft wide.
Who owns SD020 over Clarks Fork Ck?
It is owned by the State Highway Agency.