I229 N over S Minnesota Ave
FairMinnehaha County, South Dakota · Minnesota Ave Interchange · Structure no. 000000050201233
- Built
- 1959
- 66 years old, rebuilt 1985
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 210 ft
- 4 main spans
- Daily traffic
- 23,240
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I229 N over S Minnesota Ave is a prestressed concrete stringer/multi-beam or girder carrying I229 N over S Minnesota Ave in Minnehaha County, South Dakota. It was built in 1959 and reconstructed in 1985, so it is 66 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 23,240 vehicles a day, roughly 6% of them trucks, projected to reach 36,626 by 2044. The structure is 210 ft (64 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I229 N over S Minnesota Ave built?
It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1985.
What condition is I229 N over S Minnesota Ave 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 May 2023.
How much traffic does I229 N over S Minnesota Ave carry?
About 23,240 vehicles per day (2024 count), of which roughly 6% are trucks.
How long is I229 N over S Minnesota Ave?
The structure is 210 ft (64 m) long with a longest span of 50 ft (15.2 m) and a deck 35 ft wide.
Who owns I229 N over S Minnesota Ave?
It is owned by the State Highway Agency.