WB E Benson RD over I229
FairMinnehaha County, South Dakota · Benson Rd. Interchange · Structure no. 000000050219180
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 245 ft
- 2 main spans
- Daily traffic
- 16,048
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
WB E Benson RD over I229 is a prestressed concrete continuous stringer/multi-beam or girder carrying WB E Benson RD over I229 in Minnehaha County, South Dakota. It was built in 1991, so it is 34 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 16,048 vehicles a day, roughly 5% of them trucks, projected to reach 16,048 by 2043. The structure is 245 ft (74.8 m) long and 78 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 WB E Benson RD over I229 built?
It was built in 1991, making it 34 years old in 2025.
What condition is WB E Benson RD over I229 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 March 2024.
How much traffic does WB E Benson RD over I229 carry?
About 16,048 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is WB E Benson RD over I229?
The structure is 245 ft (74.8 m) long with a longest span of 121 ft (37 m) and a deck 78 ft wide.
Who owns WB E Benson RD over I229?
It is owned by the State Highway Agency.