SD020 over Rush Ck
FairHarding County, South Dakota · 0.9 W of Buffalo · Structure no. 000000032242255
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected March 2024
- Type
- Slab
- Concrete Continuous
- Length
- 106 ft
- 3 main spans
- Daily traffic
- 342
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD020 over Rush Ck is a concrete continuous slab carrying SD020 over Rush Ck in Harding County, South Dakota. It was built in 1975, so it is 50 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 342 vehicles a day, roughly 8% of them trucks, projected to reach 448 by 2044. The structure is 106 ft (32.3 m) long and 35 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 SD020 over Rush Ck built?
It was built in 1975, making it 50 years old in 2025.
What condition is SD020 over Rush 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 March 2024.
How much traffic does SD020 over Rush Ck carry?
About 342 vehicles per day (2024 count), of which roughly 8% are trucks.
How long is SD020 over Rush Ck?
The structure is 106 ft (32.3 m) long with a longest span of 38 ft (11.5 m) and a deck 35 ft wide.
Who owns SD020 over Rush Ck?
It is owned by the State Highway Agency.