24920 417 Avenue over Rock Ck
FairHanson County, South Dakota · 2 W & 2.8 N Fulton · Structure no. 000000031050052
- Built
- 1960
- 65 years old
- Condition
- Fair
- inspected July 2023
- Type
- Tee Beam
- Concrete
- Length
- 52 ft
- 2 main spans
- Daily traffic
- 60
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
24920 417 Avenue over Rock Ck is a concrete tee beam carrying 24920 417 Avenue over Rock Ck in Hanson County, South Dakota. It was built in 1960, so it is 65 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 60 vehicles a day, roughly 2% of them trucks, projected to reach 60 by 2032. The structure is 52 ft (15.8 m) long and 26 ft wide. If it were closed, the detour would be 7.5 mi (12 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 24920 417 Avenue over Rock Ck built?
It was built in 1960, making it 65 years old in 2025.
What condition is 24920 417 Avenue over Rock 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 July 2023.
How much traffic does 24920 417 Avenue over Rock Ck carry?
About 60 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 24920 417 Avenue over Rock Ck?
The structure is 52 ft (15.8 m) long with a longest span of 26 ft (7.9 m) and a deck 26 ft wide.
Who owns 24920 417 Avenue over Rock Ck?
It is owned by the County Highway Agency.