SD040 over Billover Ck
FairCuster County, South Dakota · 1.1 E JCT Sd 79 · Structure no. 000000017441020
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected January 2024
- Type
- Slab
- Concrete Continuous
- Length
- 54 ft
- 3 main spans
- Daily traffic
- 677
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD040 over Billover Ck is a concrete continuous slab carrying SD040 over Billover Ck in Custer County, South Dakota. It was built in 1968, so it is 57 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 677 vehicles a day, roughly 3% of them trucks, projected to reach 1,104 by 2044. The structure is 54 ft (16.5 m) long and 33 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD040 over Billover Ck built?
It was built in 1968, making it 57 years old in 2025.
What condition is SD040 over Billover 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 January 2024.
How much traffic does SD040 over Billover Ck carry?
About 677 vehicles per day (2024 count), of which roughly 3% are trucks.
How long is SD040 over Billover Ck?
The structure is 54 ft (16.5 m) long with a longest span of 18 ft (5.6 m) and a deck 33 ft wide.
Who owns SD040 over Billover Ck?
It is owned by the State Highway Agency.