SD079 over South Willow Ck
FairButte County, South Dakota · 10 N Newell & JCT 212 E · Structure no. 000000010310242
- Built
- 1962
- 63 years old
- Condition
- Fair
- inspected March 2024
- Type
- Slab
- Concrete Continuous
- Length
- 117 ft
- 5 main spans
- Daily traffic
- 692
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD079 over South Willow Ck is a concrete continuous slab carrying SD079 over South Willow Ck in Butte County, South Dakota. It was built in 1962, so it is 63 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 692 vehicles a day, roughly 24% of them trucks, projected to reach 993 by 2044. The structure is 117 ft (35.7 m) long and 34 ft wide. If it were closed, the detour would be 24.9 mi (40 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD079 over South Willow Ck built?
It was built in 1962, making it 63 years old in 2025.
What condition is SD079 over South Willow 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 March 2024.
How much traffic does SD079 over South Willow Ck carry?
About 692 vehicles per day (2024 count), of which roughly 24% are trucks.
How long is SD079 over South Willow Ck?
The structure is 117 ft (35.7 m) long with a longest span of 23 ft (7.1 m) and a deck 34 ft wide.
Who owns SD079 over South Willow Ck?
It is owned by the State Highway Agency.