I-10 Freeway Rehabilitation

An 'Excellence in Partnering' Award Winning Project
By implementing the principles of partnering, issues were resolved at the lowest possible level, which substantially improved the quality of the work.
Michael Chou, Resident Engineer, California Department of Transportation
Location: 
Los Angeles, California
Client: 
California Department of Transportation
Contract Value: 
$131,600,000
Year Completed: 
2011
Expertise: 

The I-10 Freeway Rehabilitation project included the rehabilitation of existing pavement on eastbound and westbound Interstate 10 between the I-605 freeway and the I-5 freeway in Los Angeles.

The use of volumetric trucks along with precise calibration and refined mix design were essential to the success of this project. The project also required expert sequencing and scheduling of the four stages of construction:

  • Replacement of concrete panels/approach slabs
  • HOV/Buffer/Auxiliary lane rehabilitation
  • Shoulder and ramp rehabilitation
  • HOV rehabilitation and grinding of existing mainline

To minimize disruptions on this heavily-trafficked roadway and successfully interface traffic management with Atkinson's I-10/I-110 Metro ExpressLanes project, construction occurred at night and on weekends including sixty-five 55-hour full weekend closures for HOV/busway and auxiliary lane pavement rehabilitation; thirteen 42-day closures for ramps, and five 30-day closures for ramps. Atkinson met every ramp closure milestone on this project.

Atkinson also retrofit an existing four lane roadway bridge spanning the Metrolink right-of-way and both directions of I-10 Freeway. This involved demolishing and replacing concrete barrier and bridge deck overhangs directly over the active Metrolink right-of-way. Railroad training and qualification was required in addition to protecting the rail lines with engineered timber mats and careful coordination with the railroad to accommodate train schedules and shutdown periods.

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