Riverside Avenue South Street Reconstruction Project

Project Description

The City of Rialto will continue to overlay and reconstruct Riverside Avenue (South) between Interstate 10 (I-10) to Santa Ana River. This project is Phase 2 of 3 vision for Riverside Avenue. The project is expected to start Late-June 2022 – January 2023.

Riverside Ave South

  • Reconstruction of Riverside Avenue between I-10 and Santa Ana River
  • Upgrades of existing and construction of new ADA-compliant curb ramps
  • Reconstruction of sidewalks, sidewalks, driveways, curbs, and gutters
  • Underground utilities will be adjusted to new roadway surface grades

 Partial Roadway

  • W Monte Ave/ Riverside Ave
  • W Mindanao St/ Riverside Ave
  • Industrial Drive/ Riverside Ave
  • Jurupa Ave/ Riverside Ave
  • Agua Mansa Rd (Rialto)

Intersection Improvements

  • Slover Ave Signal Intersection
  • Santa Ana Ave Signal Intersection
  • Industrial Dr./Resource Ave

What to Expect

Riverside Ave is a heavy-truck traffic roadway. At least one lane in each direction on Riverside Avenue will be open at all times. Concrete barriers, traffic cones will be used to separate work areas from traffic. Drive with caution throughout the project area and allow extra time to reach your destination. If you work in the area, it is recommended to use an alternative route during construction.

It is recommended that you inform your dispatchers, customers and employees to sign-up to receive updates.

Work Hours

  • Daytime Monday - Friday from 7 am - 4 pm (Minor work will be performed during the day.)
  • Overnight from 7 pm – 5 am (Majority of the work will be performed at night.)
  • (Except Holidays)


Late-June through January 2023. Schedule is subject to change.

Cost and Funding

  • Funding: $9.6 million 
  • Funded through: 
    • Gas Tax
    • SB1 Gas Tax
    • Measure I

Weekly Construction Alert

May 22-24, 2023
English/Spanish Notice

Project Factsheet and FAQ – May 2022

FactsheetRiverside Ave South Map

Hoja de Hechos y Preguntas Frecuentes – mayo 2022

Hoja de HechosRiverside Ave South Map Spanish

Sign Up! For Riverside Avenue SOUTH Project Updates

  1. Receive email updates on the Riverside Avenue SOUTH Project
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Riverside Avenue North Project Hotline
For questions or more information please contact the public outreach team RiversideAveSouth@rialtoca.gov and phone (909) 202-4553.