SD025 over Rock Ck
FairMiner County, South Dakota · 7.5 S JCT Sd 34 · Structure no. 000000049089205
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected June 2022
- Type
- Slab
- Concrete Continuous
- Length
- 106 ft
- 3 main spans
- Daily traffic
- 485
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD025 over Rock Ck is a concrete continuous slab carrying SD025 over Rock Ck in Miner County, South Dakota. It was built in 1976, so it is 49 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 485 vehicles a day, roughly 22% of them trucks, projected to reach 748 by 2044. The structure is 106 ft (32.4 m) long and 39 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD025 over Rock Ck built?
It was built in 1976, making it 49 years old in 2025.
What condition is SD025 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 June 2022.
How much traffic does SD025 over Rock Ck carry?
About 485 vehicles per day (2024 count), of which roughly 22% are trucks.
How long is SD025 over Rock Ck?
The structure is 106 ft (32.4 m) long with a longest span of 38 ft (11.6 m) and a deck 39 ft wide.
Who owns SD025 over Rock Ck?
It is owned by the State Highway Agency.