SD044 over Oak Ck
FairMellette County, South Dakota · 2.7 W Tripp CO Line · Structure no. 000000048485271
- Built
- 1989
- 36 years old
- Condition
- Fair
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 130 ft
- 3 main spans
- Daily traffic
- 379
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD044 over Oak Ck is a prestressed concrete continuous stringer/multi-beam or girder carrying SD044 over Oak Ck in Mellette County, South Dakota. It was built in 1989, so it is 36 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 379 vehicles a day, roughly 13% of them trucks, projected to reach 476 by 2044. The structure is 130 ft (39.7 m) long and 34 ft wide. If it were closed, the detour would be 14.3 mi (23 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 SD044 over Oak Ck built?
It was built in 1989, making it 36 years old in 2025.
What condition is SD044 over Oak 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 February 2024.
How much traffic does SD044 over Oak Ck carry?
About 379 vehicles per day (2024 count), of which roughly 13% are trucks.
How long is SD044 over Oak Ck?
The structure is 130 ft (39.7 m) long with a longest span of 45 ft (13.6 m) and a deck 34 ft wide.
Who owns SD044 over Oak Ck?
It is owned by the State Highway Agency.