I-405 Improvement Project 

The California Department of Transportation (Caltrans), in cooperation with the Orange County Transportation Authority (OCTA), is proposing to widen the San Diego Freeway (I-405) between State Route 73 (SR-73) and interstate 605 (I-605).  KSB Associates,Inc. is supporting the final design delivery of bridges and walls.

Caltrans on call for bridges Southern California

The California Department of Transportation (Caltrans) On- Call for Structure Design Support Services for Southern California Districts.