SD071 over Hat Ck
FairFall River County, South Dakota · 4.0 S JCT Sd 471 · Structure no. 000000024201297
- Built
- 2008
- 17 years old
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 299 ft
- 3 main spans
- Daily traffic
- 208
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD071 over Hat Ck is a prestressed concrete continuous stringer/multi-beam or girder carrying SD071 over Hat Ck in Fall River County, South Dakota. It was built in 2008, so it is 17 years old, younger 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 208 vehicles a day, roughly 32% of them trucks, projected to reach 309 by 2044. The structure is 299 ft (91.1 m) long and 39 ft wide. If it were closed, the detour would be 24.9 mi (40 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 9 Excellent | 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 2008, making it 17 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 May 2024.
How much traffic does SD071 over Hat Ck carry?
About 208 vehicles per day (2024 count), of which roughly 32% are trucks.
How long is SD071 over Hat Ck?
The structure is 299 ft (91.1 m) long with a longest span of 99 ft (30.2 m) and a deck 39 ft wide.
Who owns SD071 over Hat Ck?
It is owned by the State Highway Agency.