I-10 / Jefferson Street Interchange Project Overview



Project Start Spring 2015
Project Completion November 2017
Contractor Riverside Construction Company
Bid Amount $42.3 Million
Funding STIP – State Improvement Program
STP – Surface Transportation Program

Project Overview

  • Demolish existing bridge and northbound Indio Boulevard overcrossing, replace with new six-lane bridge with bicycle lanes on each side and sidewalk on northbound side of Jefferson Street
  • Modify on and off-ramps:
    • Westbound I-10
      • Realigned, one-lane off-ramp
      • Indio Boulevard overcrossing on-ramp removed
      • Realigned, two-lane on-ramp from southbound Jefferson Street
      • New, two-lane loop on-ramp from northbound Jefferson Street
    • Eastbound I-10
      • Realigned, two lane off-ramp
      • Existing on-ramp from Jefferson Street overcrossing removed
      • New, two-lane loop on-ramp for northbound and southbound Jefferson Street
  • Add traffic signals at EB and WB on and off-ramps