309 Avenue over Medicine Knoll Ck
FairHughes County, South Dakota · 0.3 W 1 S Blunt · Structure no. 000000033288030
- Built
- 2003
- 22 years old
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 190 ft
- 2 main spans
- Daily traffic
- 150
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
309 Avenue over Medicine Knoll Ck is a prestressed concrete stringer/multi-beam or girder carrying 309 Avenue over Medicine Knoll Ck in Hughes 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 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 150 vehicles a day, roughly 3% of them trucks, projected to reach 190 by 2032. The structure is 190 ft (57.9 m) long and 30 ft wide. If it were closed, the detour would be 28 mi (45 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 | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 309 Avenue over Medicine Knoll Ck built?
It was built in 2003, making it 22 years old in 2025.
What condition is 309 Avenue over Medicine Knoll 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 June 2024.
How much traffic does 309 Avenue over Medicine Knoll Ck carry?
About 150 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is 309 Avenue over Medicine Knoll Ck?
The structure is 190 ft (57.9 m) long with a longest span of 92 ft (28 m) and a deck 30 ft wide.
Who owns 309 Avenue over Medicine Knoll Ck?
It is owned by the County Highway Agency.