Hamner Bridge Widening

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Project Overview

Replaces the existing 2-lane bridge over the Santa Ana River with a longer, wider bridge, and multi-purpose trail in the Cities of Eastvale and Norco.

Proposing Improvements

The County of Riverside is proposing to improve the Limonite Interchange on Interstate 15.  The improvements consist of a new 8-lane overcrossing, 3 through lanes in each direction plus 2 turn lanes, widening of the off ramps from 2 to 4 lanes, the addition of 2 new loop on ramps, and widening of Limonite to 4 lanes in each direction between Hamner Avenue and Wineville Avenue.

Project Benefits


  •  Compliments other investments in the I-15 corridor (I-15 Express Lanes, I-15/Limonite Avenue interchange, and 15/91 Express Lanes Connector)
  • All-weather crossing over Santa Ana River
  • Enhances public safety, traffic circulation, and active transportation options in growing cities of Norco and Eastvale
  • Increases access to major recreational facilities in Norco and Eastvale 

Total Project Cost: $56,000,000
SB 132 Funding: $6,322,000



Hamner Partners

For more information, visit their website at www.rctc.org/rctec.