top of page

Lost Hills Overcrossing

Client| City of Calabasas

Prime|Twining

June 2015 - July 2016 | $22 Million

This project consisted of replacing the existing 2 lane overcrossing on U.S. Highway 101 with a 5-lane precast prestressed concrete bridge. In addition, a new loop was constructed to replace the northbound on-ramp. There were also road improvements to Lost Hills Road, Canwood Street, and the southbound on- and off-ramps. ZTC was responsible for the preparation and implementation of Source Inspection Quality Management Plan (SIQMP), the reviewal of fabricator's quality control plans, the reviewal of material specification, and more.

bottom of page