46120 315 St. over Clay Ck Ditch
FairClay County, South Dakota · 2.5N & 2.9W Vermillion · Structure no. 000000014092180
- Built
- 1988
- 37 years old
- Condition
- Fair
- inspected August 2024
- Type
- Slab
- Concrete Continuous
- Length
- 80 ft
- 3 main spans
- Daily traffic
- 35
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
46120 315 St. over Clay Ck Ditch is a concrete continuous slab carrying 46120 315 St. over Clay Ck Ditch in Clay County, South Dakota. It was built in 1988, so it is 37 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 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 35 vehicles a day, roughly 2% of them trucks, projected to reach 97 by 2032. The structure is 80 ft (24.4 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 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 46120 315 St. over Clay Ck Ditch built?
It was built in 1988, making it 37 years old in 2025.
What condition is 46120 315 St. over Clay Ck Ditch 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 August 2024.
How much traffic does 46120 315 St. over Clay Ck Ditch carry?
About 35 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 46120 315 St. over Clay Ck Ditch?
The structure is 80 ft (24.4 m) long with a longest span of 30 ft (9.1 m) and a deck 30 ft wide.
Who owns 46120 315 St. over Clay Ck Ditch?
It is owned by the County Highway Agency.