303rd Avenue over Swan Creek
FairWalworth County, South Dakota · 0.5S of Akaska · Structure no. 000000065170185
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected September 2024
- Type
- Slab
- Concrete Continuous
- Length
- 106 ft
- 3 main spans
- Daily traffic
- 85
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
303rd Avenue over Swan Creek is a concrete continuous slab carrying 303rd Avenue over Swan Creek in Walworth County, South Dakota. It was built in 1967, so it is 58 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 85 vehicles a day, roughly 2% of them trucks, projected to reach 85 by 2032. The structure is 106 ft (32.3 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 303rd Avenue over Swan Creek built?
It was built in 1967, making it 58 years old in 2025.
What condition is 303rd Avenue over Swan 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 September 2024.
How much traffic does 303rd Avenue over Swan Creek carry?
About 85 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 303rd Avenue over Swan Creek?
The structure is 106 ft (32.3 m) long with a longest span of 39 ft (11.9 m) and a deck 31 ft wide.
Who owns 303rd Avenue over Swan Creek?
It is owned by the County Highway Agency.