Trancas Creek Bridge Project– Malibu, CA

Summit Environmental Contractors is completing work for the Caltrans District 7 Trancas Creek Bridge Project. This includes removing and disposing of 230,000 gallons of contaminated liquid, air monitoring, engineering support, and site management.


The existing 96-year-old, 85-foot wide, 90-foot-long concrete bridge, which was constructed in 1927 to span Trancas Creek on Pacific Coast Highway in Malibu, is being replaced with a new concrete bridge which will be 105 feet wide by 240 feet long. The new bridge will provide:

  • Two 12-foot traffic lanes
  • Bike lanes & separate pedestrian lanes
  • 10-foot shoulders in each direction to substantially improve efficiency and safety for the community
  • Northbound and southbound traffic will be separated by a six-foot striped median

The source of the contaminated soil was from the use of lead-based fuel. By removing this hazardous material, Summit is preventing toxic waste from migrating into the groundwater and beaches, eliminating carbon emissions, protecting construction workers from health hazards, and creating a healthier community for families.