US018 over Oak Hollow Ck
FairDouglas County, South Dakota · 0.8 W Hutchinson CO Line · Structure no. 000000022292180
- Built
- 1961
- 64 years old
- Condition
- Fair
- inspected July 2023
- Type
- Slab
- Concrete Continuous
- Length
- 73 ft
- 3 main spans
- Daily traffic
- 556
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US018 over Oak Hollow Ck is a concrete continuous slab carrying US018 over Oak Hollow Ck in Douglas County, South Dakota. It was built in 1961, so it is 64 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 556 vehicles a day, roughly 13% of them trucks, projected to reach 768 by 2044. The structure is 73 ft (22.4 m) long and 34 ft wide. If it were closed, the detour would be 19.9 mi (32 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 | 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 US018 over Oak Hollow Ck built?
It was built in 1961, making it 64 years old in 2025.
What condition is US018 over Oak Hollow 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 July 2023.
How much traffic does US018 over Oak Hollow Ck carry?
About 556 vehicles per day (2024 count), of which roughly 13% are trucks.
How long is US018 over Oak Hollow Ck?
The structure is 73 ft (22.4 m) long with a longest span of 26 ft (7.8 m) and a deck 34 ft wide.
Who owns US018 over Oak Hollow Ck?
It is owned by the State Highway Agency.