Twilight RD over North Fork Sulphur Ck
FairButte County, South Dakota · 12 E 13.9 N Newell · Structure no. 000000010421200
- Built
- 1998
- 27 years old
- Condition
- Fair
- inspected August 2024
- Type
- Culvert
- Concrete
- Length
- 26 ft
- 2 main spans
- Daily traffic
- 28
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Twilight RD over North Fork Sulphur Ck is a concrete culvert carrying Twilight RD over North Fork Sulphur Ck in Butte County, South Dakota. It was built in 1998, so it is 27 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 28 vehicles a day, roughly 2% of them trucks, projected to reach 40 by 2032. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 42.3 mi (68 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Twilight RD over North Fork Sulphur Ck built?
It was built in 1998, making it 27 years old in 2025.
What condition is Twilight RD over North Fork Sulphur 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 August 2024.
How much traffic does Twilight RD over North Fork Sulphur Ck carry?
About 28 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is Twilight RD over North Fork Sulphur Ck?
The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).
Who owns Twilight RD over North Fork Sulphur Ck?
It is owned by the County Highway Agency.