44780 305th Street over Unnamed Creek
FairYankton County, South Dakota · 3.2W & 0.8N of Volin · Structure no. 000000068198140
- Built
- 1985
- 40 years old
- Condition
- Fair
- inspected August 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 55 ft
- 1 main span
- Daily traffic
- 140
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
44780 305th Street over Unnamed Creek is a prestressed concrete tee beam carrying 44780 305th Street over Unnamed Creek in Yankton County, South Dakota. It was built in 1985, so it is 40 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 140 vehicles a day, roughly 3% of them trucks, projected to reach 140 by 2032. The structure is 55 ft (16.9 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 44780 305th Street over Unnamed Creek built?
It was built in 1985, making it 40 years old in 2025.
What condition is 44780 305th Street over Unnamed Creek 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 August 2024.
How much traffic does 44780 305th Street over Unnamed Creek carry?
About 140 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is 44780 305th Street over Unnamed Creek?
The structure is 55 ft (16.9 m) long with a longest span of 54 ft (16.5 m) and a deck 28 ft wide.
Who owns 44780 305th Street over Unnamed Creek?
It is owned by the County Highway Agency.