Minnesota Avenue over Big Sioux Diversion
FairMinnehaha County, South Dakota · South of 60th Street N · Structure no. 000000050201173
- Built
- 1972
- 53 years old, rebuilt 1988
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 296 ft
- 4 main spans
- Daily traffic
- 6,900
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Minnesota Avenue over Big Sioux Diversion is a prestressed concrete continuous stringer/multi-beam or girder carrying Minnesota Avenue over Big Sioux Diversion in Minnehaha County, South Dakota. It was built in 1972 and reconstructed in 1988, so it is 53 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 6,900 vehicles a day, roughly 1% of them trucks, projected to reach 8,500 by 2032. The structure is 296 ft (90.2 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Minnesota Avenue over Big Sioux Diversion built?
It was built in 1972, making it 53 years old in 2025. It was reconstructed in 1988.
What condition is Minnesota Avenue over Big Sioux Diversion 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 October 2024.
How much traffic does Minnesota Avenue over Big Sioux Diversion carry?
About 6,900 vehicles per day (2022 count), of which roughly 1% are trucks.
How long is Minnesota Avenue over Big Sioux Diversion?
The structure is 296 ft (90.2 m) long with a longest span of 74 ft (22.6 m) and a deck 43 ft wide.
Who owns Minnesota Avenue over Big Sioux Diversion?
It is owned by the City or Municipal Highway Agency.