US018 over Dog Ear Ck
FairTripp County, South Dakota · 1.4 W of Winner · Structure no. 000000062183274
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected July 2024
- Type
- Slab
- Concrete Continuous
- Length
- 140 ft
- 5 main spans
- Daily traffic
- 3,553
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US018 over Dog Ear Ck is a concrete continuous slab carrying US018 over Dog Ear 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 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 3,553 vehicles a day, roughly 14% of them trucks, projected to reach 4,821 by 2044. The structure is 140 ft (42.7 m) long and 62 ft wide. If it were closed, the detour would be 67.1 mi (108 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US018 over Dog Ear Ck built?
It was built in 1965, making it 60 years old in 2025.
What condition is US018 over Dog Ear 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 2024.
How much traffic does US018 over Dog Ear Ck carry?
About 3,553 vehicles per day (2024 count), of which roughly 14% are trucks.
How long is US018 over Dog Ear Ck?
The structure is 140 ft (42.7 m) long with a longest span of 28 ft (8.6 m) and a deck 62 ft wide.
Who owns US018 over Dog Ear Ck?
It is owned by the State Highway Agency.