SD034 over Rock Ck
GoodMiner County, South Dakota · 9.8 E Sanborn CO Line · Structure no. 000000049098130
- Built
- 1986
- 39 years old
- Condition
- Good
- inspected September 2022
- Type
- Culvert
- Concrete Continuous
- Length
- 40 ft
- 3 main spans
- Daily traffic
- 1,462
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD034 over Rock Ck is a concrete continuous culvert carrying SD034 over Rock Ck in Miner County, South Dakota. It was built in 1986, so it is 39 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 1,462 vehicles a day, roughly 17% of them trucks, projected to reach 2,382 by 2044. The structure is 40 ft (12.1 m) long. If it were closed, the detour would be 62.1 mi (100 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD034 over Rock Ck built?
It was built in 1986, making it 39 years old in 2025.
What condition is SD034 over Rock 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 September 2022.
How much traffic does SD034 over Rock Ck carry?
About 1,462 vehicles per day (2024 count), of which roughly 17% are trucks.
How long is SD034 over Rock Ck?
The structure is 40 ft (12.1 m) long with a longest span of 13 ft (3.9 m).
Who owns SD034 over Rock Ck?
It is owned by the State Highway Agency.