Benson Road / I-229 Interchange Reconstruction

Project Update 9/1/2023 

  • Concrete paving work is almost complete on the east side of I-229.  
  • Asphalt surfacing work is complete at Benson Road and Hall Avenue.
  • Bridge work continues over I-229.  
  • Sanitary sewer and storm drainage work are complete for 2023.
  • Watermain work is almost complete for 2023.

Commuter Route Information: 

  • Benson Road is closed east of I-229.
  • One lane of traffic in each direction is being maintained on Benson Road west of I-229 and at the interchange. 
  • Lewis Avenue and Potsdam Avenue will have alternating closures. 

Project Milestones

Year 2023

  1. Bridge work
  2. Pavement removals
  3. Watermain installation
  4. Sanitary sewer repairs & installation
  5. Storm drainage improvements
  6. Grading
  7. Gravelling
  8. Concrete Paving
  9. Driveways, approaches, curb ramp, and sidewalk construction
  10. End bridge work
  11. Restoration

Preparation for concrete paving.

View of the Northbound On Ramp

Prep work on bridge deck

Prep work on bridge deck

Year 2024 - Phase 1

  1. Bridge deck work
  2. Pavement removals
  3. Watermain installation
  4. Sanitary sewer repairs & installation
  5. Storm drainage improvements
  6. Grading
  7. Gravelling
  8. End bridge deck work
  9. Concrete Paving
  10. Driveways, approaches, curb ramp, and sidewalk construction
  11. Restoration

Year 2024 – Phase 2 (median)

  1. Grading
  2. Gravelling
  3. Concrete Paving

Year 2024 – Phase 3 (interchange islands)

  1. Grading
  2. Gravelling
  3. 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.