US018 over Big Hollow Ck
GoodTripp County, South Dakota · 3.9 E JCT US 183 · Structure no. 000000062149270
- Built
- 1965
- 60 years old
- Condition
- Good
- inspected August 2024
- Type
- Slab
- Concrete Continuous
- Length
- 73 ft
- 3 main spans
- Daily traffic
- 1,746
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US018 over Big Hollow Ck is a concrete continuous slab carrying US018 over Big Hollow Ck in Tripp County, South Dakota. It was built in 1965, so it is 60 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,746 vehicles a day, roughly 17% of them trucks, projected to reach 2,369 by 2044. The structure is 73 ft (22.4 m) long and 47 ft wide. If it were closed, the detour would be 67.1 mi (108 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 US018 over Big Hollow Ck built?
It was built in 1965, making it 60 years old in 2025.
What condition is US018 over Big Hollow Ck in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.
How much traffic does US018 over Big Hollow Ck carry?
About 1,746 vehicles per day (2024 count), of which roughly 17% are trucks.
How long is US018 over Big Hollow Ck?
The structure is 73 ft (22.4 m) long with a longest span of 26 ft (7.9 m) and a deck 47 ft wide.
Who owns US018 over Big Hollow Ck?
It is owned by the State Highway Agency.