446A Avenue over Blue Dog Lake
GoodDay County, South Dakota · 1.5E & 0.5N of Waubay · Structure no. 000000019345165
- Built
- 2023
- 2 years old
- Condition
- Good
- inspected September 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 50 ft
- 4 main spans
- Daily traffic
- 852
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
446A Avenue over Blue Dog Lake is a concrete continuous culvert carrying 446A Avenue over Blue Dog Lake in Day County, South Dakota. It was built in 2023, so it is 2 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 852 vehicles a day, roughly 3% of them trucks, projected to reach 852 by 2032. The structure is 50 ft (15.2 m) long and 28 ft wide. If it were closed, the detour would be 13 mi (21 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 446A Avenue over Blue Dog Lake built?
It was built in 2023, making it 2 years old in 2025.
What condition is 446A Avenue over Blue Dog Lake in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.
How much traffic does 446A Avenue over Blue Dog Lake carry?
About 852 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is 446A Avenue over Blue Dog Lake?
The structure is 50 ft (15.2 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.
Who owns 446A Avenue over Blue Dog Lake?
It is owned by the County Highway Agency.