US183 over White Rv
FairLyman County, South Dakota · Tripp & Lyman CO Line · Structure no. 000000043160339
- Built
- 2018
- 7 years old
- Condition
- Fair
- inspected January 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 418 ft
- 4 main spans
- Daily traffic
- 689
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US183 over White Rv is a prestressed concrete continuous stringer/multi-beam or girder carrying US183 over White Rv in Lyman County, South Dakota. It was built in 2018, so it is 7 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 689 vehicles a day, roughly 31% of them trucks, projected to reach 935 by 2044. The structure is 418 ft (127.4 m) long and 39 ft wide. If it were closed, the detour would be 69 mi (111 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US183 over White Rv built?
It was built in 2018, making it 7 years old in 2025.
What condition is US183 over White 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 January 2023.
How much traffic does US183 over White Rv carry?
About 689 vehicles per day (2024 count), of which roughly 31% are trucks.
How long is US183 over White Rv?
The structure is 418 ft (127.4 m) long with a longest span of 109 ft (33.1 m) and a deck 39 ft wide.
Who owns US183 over White Rv?
It is owned by the State Highway Agency.