30670 418th Avenue over Deadman Creek
FairBon Homme County, South Dakota · 1.5E & 2.7S of Tyndall · Structure no. 000000005170157
- Built
- 1941
- 84 years old
- Condition
- Fair
- inspected May 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 25
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
30670 418th Avenue over Deadman Creek is a concrete continuous culvert carrying 30670 418th Avenue over Deadman Creek in Bon Homme County, South Dakota. It was built in 1941, so it is 84 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 25 vehicles a day, roughly 2% of them trucks, projected to reach 25 by 2032. The structure is 21 ft (6.3 m) long. 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 30670 418th Avenue over Deadman Creek built?
It was built in 1941, making it 84 years old in 2025.
What condition is 30670 418th Avenue over Deadman 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 30670 418th Avenue over Deadman Creek carry?
About 25 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 30670 418th Avenue over Deadman Creek?
The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).
Who owns 30670 418th Avenue over Deadman Creek?
It is owned by the County Highway Agency.