Wilmington Avenue Interchange Modification at I-405 Freeway

The project included construction of a new northbound I-405 on-ramp at Wilmington Avenue, existing ramp modifications and traffic signal synchronization. The project also included widening the northern portion of the existing Dominguez Channel Bridge with an 8 span cast-in-place reinforced concrete box girder, approximately 420 feet long and 10 feet wide, and supported on cast-in-steel- shell concrete piles.

CALTROP provided Structure Construction Inspection Services as a subconsultant to Hill International.

LOCATION: Carson, CA
CLIENT: City of Carson
CONTRACT VALUE: $17 million

PROJECT FEATURES

  • Bridge Expansion
  • New On-ramp Construction
  • Road Widening
  • Sound Wall Construction
  • Retaining Wall

SERVICES PROVIDED

  • Structure Construction Inspection
  • Field Inspection