476th Avenue over Medary Ck
GoodBrookings County, South Dakota · 1.0S Aurora · Structure no. 000000006220190
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected September 2023
- Type
- Slab
- Concrete Continuous
- Length
- 127 ft
- 3 main spans
- Daily traffic
- 257
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
476th Avenue over Medary Ck is a concrete continuous slab carrying 476th Avenue over Medary Ck in Brookings County, South Dakota. It was built in 2003, so it is 22 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 257 vehicles a day, roughly 3% of them trucks, projected to reach 257 by 2032. The structure is 127 ft (38.7 m) long and 41 ft wide. If it were closed, the detour would be 6.2 mi (10 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 476th Avenue over Medary Ck built?
It was built in 2003, making it 22 years old in 2025.
What condition is 476th Avenue over Medary 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 Medary Ck carry?
About 257 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is 476th Avenue over Medary Ck?
The structure is 127 ft (38.7 m) long with a longest span of 47 ft (14.2 m) and a deck 41 ft wide.
Who owns 476th Avenue over Medary Ck?
It is owned by the County Highway Agency.