30140 420th Avenue over Snatch Creek
FairBon Homme County, South Dakota · 1.6N & 3E of Tyndall · Structure no. 000000005190104
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected May 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 34 ft
- 3 main spans
- Daily traffic
- 60
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
30140 420th Avenue over Snatch Creek is a concrete continuous culvert carrying 30140 420th Avenue over Snatch Creek in Bon Homme County, South Dakota. It was built in 1970, so it is 55 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 60 by 2032. The structure is 34 ft (10.5 m) long. 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 |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 30140 420th Avenue over Snatch Creek built?
It was built in 1970, making it 55 years old in 2025.
What condition is 30140 420th Avenue over Snatch 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 30140 420th Avenue over Snatch Creek carry?
About 60 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 30140 420th Avenue over Snatch Creek?
The structure is 34 ft (10.5 m) long with a longest span of 11 ft (3.4 m).
Who owns 30140 420th Avenue over Snatch Creek?
It is owned by the County Highway Agency.