471st Avenue over Creek
FairRoberts County, South Dakota · 1W & 0.7N of Corona · Structure no. 000000055220404
- Built
- 1984
- 41 years old
- Condition
- Fair
- inspected July 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 25 ft
- 1 main span
- Daily traffic
- 68
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
471st Avenue over Creek is a prestressed concrete tee beam carrying 471st Avenue over Creek in Roberts County, South Dakota. It was built in 1984, so it is 41 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 68 vehicles a day, roughly 2% of them trucks, projected to reach 68 by 2032. The structure is 25 ft (7.6 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 471st Avenue over Creek built?
It was built in 1984, making it 41 years old in 2025.
What condition is 471st Avenue over Creek 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 471st Avenue over Creek carry?
About 68 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 471st Avenue over Creek?
The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 31 ft wide.
Who owns 471st Avenue over Creek?
It is owned by the County Highway Agency.