SD115 over I029
GoodMinnehaha County, South Dakota · Sd 115 & I29 Interchange · Structure no. 000000050175020
- Built
- 2017
- 8 years old
- Condition
- Good
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 252 ft
- 2 main spans
- Daily traffic
- 3,449
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD115 over I029 is a steel continuous stringer/multi-beam or girder carrying SD115 over I029 in Minnehaha County, South Dakota. It was built in 2017, so it is 8 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 3,449 vehicles a day, roughly 7% of them trucks, projected to reach 5,343 by 2044. The structure is 252 ft (76.7 m) long and 55 ft wide.
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD115 over I029 built?
It was built in 2017, making it 8 years old in 2025.
What condition is SD115 over I029 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.
How much traffic does SD115 over I029 carry?
About 3,449 vehicles per day (2024 count), of which roughly 7% are trucks.
How long is SD115 over I029?
The structure is 252 ft (76.7 m) long with a longest span of 128 ft (38.9 m) and a deck 55 ft wide.
Who owns SD115 over I029?
It is owned by the State Highway Agency.