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Los Angeles Hires Tetra Tech to Fortify and Relight the Sixth Street Viaduct by 2028

Officials aim to restore the landmark’s signature illumination by hardening its vulnerable wiring.

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The City of Los Angeles does a test lighting on the $588 million Sixth Street Viaduct Replacement Project Friday night in Los Angeles, CA. July 8,2022. Its the largest bridge project in the history of Los Angeles. It is funded by the Federal Highway Administration and the California Department of Transportation, as well as City funds. The design of the new bridge, known as The Ribbon of Light was created by HNTB and l bridge built in 1932. (Photo by Gene Blevins/Contributing Photographer
A car drives across a dark Sixth Street Viaduct in Los Angeles on Thursday, February 19, 2026. The $588 million bridge was coined “Ribbon of Light” in 2022 but went dark as vandals and thieves made off with valuable copper wiring. Los Angeles’ Bureau of Engineering engineering is hiring Tetra Tech to fortify and relight the bridge. (Photo by Sarah Reingewirtz, Los Angeles Daily News/SCNG)

Overview

  • The Bureau of Engineering selected Pasadena-based Tetra Tech, which began design work in January, to restore lighting across the bridge before the 2028 Olympic and Paralympic Games.
  • Plans call for reinforcing pull boxes, service cabinets and conduits and adding a security camera system to deter wire theft and vandalism.
  • Officials put the total contract at $5.3 million for the bridge and the adjacent Sixth Street PARC project, with roughly $1 million for bridge design work.
  • Nearly seven miles of copper wire were stolen since 2023, leaving the viaduct’s roadway, stairway and arch lighting dark for extended periods.
  • City policy steps include a Metal and Wire Theft Reward program and support for a state crackdown on copper theft, while the PARC recreational spaces are expected to debut later this year.