31020 424th Avenue over Charley Creek
FairBon Homme County, South Dakota · 3W & 4.2S of Tabor · Structure no. 000000005230192
- Built
- 1935
- 90 years old
- Condition
- Fair
- inspected May 2023
- Type
- Slab
- Concrete Continuous
- Length
- 71 ft
- 4 main spans
- Daily traffic
- 60
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
31020 424th Avenue over Charley Creek is a concrete continuous slab carrying 31020 424th Avenue over Charley Creek in Bon Homme County, South Dakota. It was built in 1935, so it is 90 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 60 vehicles a day, roughly 2% of them trucks, projected to reach 85 by 2032. The structure is 71 ft (21.6 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 31020 424th Avenue over Charley Creek built?
It was built in 1935, making it 90 years old in 2025.
What condition is 31020 424th Avenue over Charley 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 May 2023.
How much traffic does 31020 424th Avenue over Charley Creek carry?
About 60 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 31020 424th Avenue over Charley Creek?
The structure is 71 ft (21.6 m) long with a longest span of 16 ft (4.9 m) and a deck 27 ft wide.
Who owns 31020 424th Avenue over Charley Creek?
It is owned by the County Highway Agency.