Arpan RD over Indian Ck
FairButte County, South Dakota · 5W 7.5N Nisland · Structure no. 000000010200295
- Built
- 1990
- 35 years old
- Condition
- Fair
- inspected August 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 117 ft
- 3 main spans
- Daily traffic
- 100
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Arpan RD over Indian Ck is a prestressed concrete tee beam carrying Arpan RD over Indian Ck in Butte County, South Dakota. It was built in 1990, so it is 35 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 100 vehicles a day, roughly 2% of them trucks, projected to reach 180 by 2032. The structure is 117 ft (35.7 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Arpan RD over Indian Ck built?
It was built in 1990, making it 35 years old in 2025.
What condition is Arpan RD over Indian 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 Arpan RD over Indian Ck carry?
About 100 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is Arpan RD over Indian Ck?
The structure is 117 ft (35.7 m) long with a longest span of 60 ft (18.3 m) and a deck 31 ft wide.
Who owns Arpan RD over Indian Ck?
It is owned by the County Highway Agency.