Twilight RD over South Fork Moreau Rv
FairButte County, South Dakota · 10.8 E 3.5 S Hoover · Structure no. 000000010496106
- Built
- 1982
- 43 years old
- Condition
- Fair
- inspected August 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 130 ft
- 3 main spans
- Daily traffic
- 8
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Twilight RD over South Fork Moreau Rv is a prestressed concrete tee beam carrying Twilight RD over South Fork Moreau Rv in Butte County, South Dakota. It was built in 1982, so it is 43 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 8 vehicles a day, roughly 2% of them trucks, projected to reach 31 by 2032. The structure is 130 ft (39.6 m) long and 27 ft wide. If it were closed, the detour would be 54.1 mi (87 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 | 7 Good | Some minor problems. |
| 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 Twilight RD over South Fork Moreau Rv built?
It was built in 1982, making it 43 years old in 2025.
What condition is Twilight RD over South Fork Moreau 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 Twilight RD over South Fork Moreau Rv carry?
About 8 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is Twilight RD over South Fork Moreau Rv?
The structure is 130 ft (39.6 m) long with a longest span of 50 ft (15.2 m) and a deck 27 ft wide.
Who owns Twilight RD over South Fork Moreau Rv?
It is owned by the County Highway Agency.