Benson Road / I-229 Interchange Reconstruction
Project Update 2/17/2023
Commuter Route Information:
- During 2023, Benson Road will be closed east of I-229.
- One lane of traffic in each direction will be maintained west of I-229 and at the interchange.
- Lewis Avenue and Potsdam Avenue will have alternating closures.
- During 2024, one lane of traffic in each direction will be maintained west of I-229 and at the interchange.
- Lewis Avenue, St. Paul Avenue, and Potsdam Avenue will have alternating closures.
- The project will be fully open to traffic east of I-229.
- Pedestrian detours will be provided west of I-229 in both 2023 and 2024.
Project Milestones
Year 2023
- Bridge work
- Pavement removals
- Watermain installation
- Sanitary sewer repairs & installation
- Storm drainage improvements
- Grading
- Gravelling
- Concrete Paving
- Driveways, approaches, curb ramp, and sidewalk construction
- End bridge work
- Restoration
Year 2024 - Phase 1
- Bridge deck work
- Pavement removals
- Watermain installation
- Sanitary sewer repairs & installation
- Storm drainage improvements
- Grading
- Gravelling
- End bridge deck work
- Concrete Paving
- Driveways, approaches, curb ramp, and sidewalk construction
- Restoration
Year 2024 – Phase 2 (median)
- Grading
- Gravelling
- Concrete Paving
Year 2024 – Phase 3 (interchange islands)
- Grading
- Gravelling
- Concrete Paving
Project Overview
Completion Date:
June 27, 2025
Contract Amount:
$36,360,596.00
Project Summary:
This project will reconstruct the Benson Road and I-229 Interchange into a diverging diamond configuration, and will feature the City’s first triple left turn lane when the project is completed! West of I-229, Benson Road will be widened to 3 lanes in each direction with turn lanes and a raised median. East of I-229, Benson Road will be widened to 2 lanes in each direction with turn lanes and a raised median. Additional improvements to Benson Road include concrete pavement, new bridge installation and existing bridge deck rehabilitation, water main, sanitary sewer repairs and installation, storm drainage improvements, street light and traffic signal improvements, new accessible curb ramps, and concrete curb and gutter. The City is partnering with the South Dakota Department of Transportation on this project.
Contact Information
City of Sioux Falls
Tallon Cazer
605-367-8609
tcazer@siouxfalls.org
Consultant Name:
HDR
Lance McQueen
605-782-8122
lance.mcqueen@hdrinc.com
Contractor Name:
T&R Contracting, Inc.