US385 over Horse Ck
PoorPennington County, South Dakota · 3.6 N JCT US 16 E · Structure no. 000000052282363
- Built
- 1947
- 78 years old
- Condition
- Poor
- inspected February 2025
- Type
- Culvert
- Concrete Continuous
- Length
- 32 ft
- 2 main spans
- Daily traffic
- 2,378
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US385 over Horse Ck is a concrete continuous culvert carrying US385 over Horse Ck in Pennington County, South Dakota. It was built in 1947, so it is 78 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 2,378 vehicles a day, roughly 5% of them trucks, projected to reach 3,750 by 2044. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 28 mi (45 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US385 over Horse Ck built?
It was built in 1947, making it 78 years old in 2025.
What condition is US385 over Horse Ck in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.
How much traffic does US385 over Horse Ck carry?
About 2,378 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is US385 over Horse Ck?
The structure is 32 ft (9.8 m) long with a longest span of 15 ft (4.7 m).
Who owns US385 over Horse Ck?
It is owned by the State Highway Agency.