I029 S over W Benson RD
FairMinnehaha County, South Dakota · Benson RD Interchange · Structure no. 000000050180180
- Built
- 2003
- 22 years old
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 208 ft
- 1 main span
- Daily traffic
- 23,855
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I029 S over W Benson RD is a steel stringer/multi-beam or girder carrying I029 S over W Benson RD in Minnehaha County, South Dakota. It was built in 2003, so it is 22 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 23,855 vehicles a day, roughly 11% of them trucks, projected to reach 37,595 by 2044. The structure is 208 ft (63.4 m) long and 59 ft wide.
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 I029 S over W Benson RD built?
It was built in 2003, making it 22 years old in 2025.
What condition is I029 S over W Benson RD 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 2023.
How much traffic does I029 S over W Benson RD carry?
About 23,855 vehicles per day (2024 count), of which roughly 11% are trucks.
How long is I029 S over W Benson RD?
The structure is 208 ft (63.4 m) long with a longest span of 204 ft (62.2 m) and a deck 59 ft wide.
Who owns I029 S over W Benson RD?
It is owned by the State Highway Agency.