SD075 over South Fork Grand Rv
FairPerkins County, South Dakota · 7.9 N JCT Sd 20 · Structure no. 000000053149209
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 234 ft
- 3 main spans
- Daily traffic
- 192
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD075 over South Fork Grand Rv is a steel continuous stringer/multi-beam or girder carrying SD075 over South Fork Grand Rv in Perkins County, South Dakota. It was built in 1966, so it is 59 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 192 vehicles a day, roughly 19% of them trucks, projected to reach 287 by 2044. The structure is 234 ft (71.3 m) long and 32 ft wide. If it were closed, the detour would be 42.9 mi (69 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD075 over South Fork Grand Rv built?
It was built in 1966, making it 59 years old in 2025.
What condition is SD075 over South Fork Grand Rv 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 SD075 over South Fork Grand Rv carry?
About 192 vehicles per day (2024 count), of which roughly 19% are trucks.
How long is SD075 over South Fork Grand Rv?
The structure is 234 ft (71.3 m) long with a longest span of 90 ft (27.4 m) and a deck 32 ft wide.
Who owns SD075 over South Fork Grand Rv?
It is owned by the State Highway Agency.