476th Avenue over Six Mile Ck
GoodBrookings County, South Dakota · 2W & 0.4S White · Structure no. 000000006220079
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected September 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 31 ft
- 3 main spans
- Daily traffic
- 92
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
476th Avenue over Six Mile Ck is a concrete continuous culvert carrying 476th Avenue over Six Mile Ck in Brookings County, South Dakota. It was built in 2007, so it is 18 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 92 vehicles a day, roughly 2% of them trucks, projected to reach 92 by 2032. The structure is 31 ft (9.5 m) long. If it were closed, the detour would be 3.1 mi (5 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 | 9 Excellent | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 476th Avenue over Six Mile Ck built?
It was built in 2007, making it 18 years old in 2025.
What condition is 476th Avenue over Six Mile Ck 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 2023.
How much traffic does 476th Avenue over Six Mile Ck carry?
About 92 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 476th Avenue over Six Mile Ck?
The structure is 31 ft (9.5 m) long with a longest span of 10 ft (3 m).
Who owns 476th Avenue over Six Mile Ck?
It is owned by the County Highway Agency.