SD011 over Split Rock Ck
FairMinnehaha County, South Dakota · 0.2W & 3S Brandon · Structure no. 000000050270205
- Built
- 1963
- 62 years old
- Condition
- Fair
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 395 ft
- 6 main spans
- Daily traffic
- 4,101
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD011 over Split Rock Ck is a steel continuous stringer/multi-beam or girder carrying SD011 over Split Rock Ck in Minnehaha County, South Dakota. It was built in 1963, so it is 62 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 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 4,101 vehicles a day, roughly 6% of them trucks, projected to reach 6,352 by 2044. The structure is 395 ft (120.3 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 SD011 over Split Rock Ck built?
It was built in 1963, making it 62 years old in 2025.
What condition is SD011 over Split Rock 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 November 2024.
How much traffic does SD011 over Split Rock Ck carry?
About 4,101 vehicles per day (2024 count), of which roughly 6% are trucks.
How long is SD011 over Split Rock Ck?
The structure is 395 ft (120.3 m) long with a longest span of 70 ft (21.3 m) and a deck 32 ft wide.
Who owns SD011 over Split Rock Ck?
It is owned by the State Highway Agency.