SD071 over Hat Ck
FairFall River County, South Dakota · 15 S of Hot Springs · Structure no. 000000024236163
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 329 ft
- 4 main spans
- Daily traffic
- 239
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD071 over Hat Ck is a steel continuous stringer/multi-beam or girder carrying SD071 over Hat Ck in Fall River County, South Dakota. It was built in 1975, so it is 50 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 239 vehicles a day, roughly 29% of them trucks, projected to reach 355 by 2044. The structure is 329 ft (100.3 m) long and 35 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD071 over Hat Ck built?
It was built in 1975, making it 50 years old in 2025.
What condition is SD071 over Hat 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 October 2024.
How much traffic does SD071 over Hat Ck carry?
About 239 vehicles per day (2024 count), of which roughly 29% are trucks.
How long is SD071 over Hat Ck?
The structure is 329 ft (100.3 m) long with a longest span of 91 ft (27.7 m) and a deck 35 ft wide.
Who owns SD071 over Hat Ck?
It is owned by the State Highway Agency.