479th Avenue over Medary Ck
FairBrookings County, South Dakota · 2.6S & 1E Bushnell · Structure no. 000000006250176
- Built
- 1984
- 41 years old
- Condition
- Fair
- inspected September 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 106 ft
- 2 main spans
- Daily traffic
- 92
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
479th Avenue over Medary Ck is a prestressed concrete tee beam carrying 479th Avenue over Medary Ck in Brookings County, South Dakota. It was built in 1984, so it is 41 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 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 92 vehicles a day, roughly 2% of them trucks, projected to reach 92 by 2032. The structure is 106 ft (32.3 m) long and 19 ft wide. 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 479th Avenue over Medary Ck built?
It was built in 1984, making it 41 years old in 2025.
What condition is 479th Avenue over Medary Ck 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 September 2023.
How much traffic does 479th Avenue over Medary Ck carry?
About 92 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 479th Avenue over Medary Ck?
The structure is 106 ft (32.3 m) long with a longest span of 53 ft (16.1 m) and a deck 19 ft wide.
Who owns 479th Avenue over Medary Ck?
It is owned by the County Highway Agency.