47280 319th Str. over Drainage Ditch
FairUnion County, South Dakota · 5N & 3.2W Elk Point · Structure no. 000000064028220
- Built
- 1940
- 85 years old, rebuilt 1968
- Condition
- Fair
- inspected August 2024
- Type
- Channel Beam
- Concrete
- Length
- 50 ft
- 2 main spans
- Daily traffic
- 50
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
47280 319th Str. over Drainage Ditch is a concrete channel beam carrying 47280 319th Str. over Drainage Ditch in Union County, South Dakota. It was built in 1940 and reconstructed in 1968, so it is 85 years old, older 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 5 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 50 by 2032. The structure is 50 ft (15.3 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 47280 319th Str. over Drainage Ditch built?
It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1968.
What condition is 47280 319th Str. over Drainage Ditch 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 47280 319th Str. over Drainage Ditch carry?
About 50 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 47280 319th Str. over Drainage Ditch?
The structure is 50 ft (15.3 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.
Who owns 47280 319th Str. over Drainage Ditch?
It is owned by the County Highway Agency.