SD079 over Belle Fourche Rv
FairButte County, South Dakota · 2.0 N Meade CO Line · Structure no. 000000010310399
- Built
- 1985
- 40 years old
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 296 ft
- 4 main spans
- Daily traffic
- 1,670
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD079 over Belle Fourche Rv is a prestressed concrete continuous stringer/multi-beam or girder carrying SD079 over Belle Fourche Rv in Butte County, South Dakota. It was built in 1985, so it is 40 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 1,670 vehicles a day, roughly 9% of them trucks, projected to reach 2,396 by 2044. The structure is 296 ft (90.2 m) long and 43 ft wide. If it were closed, the detour would be 34.2 mi (55 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 | 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 SD079 over Belle Fourche Rv built?
It was built in 1985, making it 40 years old in 2025.
What condition is SD079 over Belle Fourche 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 May 2024.
How much traffic does SD079 over Belle Fourche Rv carry?
About 1,670 vehicles per day (2024 count), of which roughly 9% are trucks.
How long is SD079 over Belle Fourche Rv?
The structure is 296 ft (90.2 m) long with a longest span of 77 ft (23.5 m) and a deck 43 ft wide.
Who owns SD079 over Belle Fourche Rv?
It is owned by the State Highway Agency.