480th Avenue over Little Beaver Creak
FairLincoln County, South Dakota · 1W & 2.4S of Canton · Structure no. 000000042160164
- Built
- 1989
- 36 years old
- Condition
- Fair
- inspected May 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 67 ft
- 1 main span
- Daily traffic
- 63
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
480th Avenue over Little Beaver Creak is a prestressed concrete tee beam carrying 480th Avenue over Little Beaver Creak in Lincoln County, South Dakota. It was built in 1989, so it is 36 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 63 vehicles a day, roughly 2% of them trucks, projected to reach 63 by 2032. The structure is 67 ft (20.4 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 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 480th Avenue over Little Beaver Creak built?
It was built in 1989, making it 36 years old in 2025.
What condition is 480th Avenue over Little Beaver Creak 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 480th Avenue over Little Beaver Creak carry?
About 63 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 480th Avenue over Little Beaver Creak?
The structure is 67 ft (20.4 m) long with a longest span of 65 ft (19.8 m) and a deck 28 ft wide.
Who owns 480th Avenue over Little Beaver Creak?
It is owned by the County Highway Agency.