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PROJECT:
I-405 / SR-55 Interchange Improvement
LOCATION: Costa Mesa, California
CLIENT:
Orange County Transportation Authority (OCTA) & Caltrans District 12
3337 Michelson Drive, Suite 380
Irvine, CA 92612
UNIQUE FEATURES: Extensive Bridge & Roadway Construction - The I-405 / SR-55 interchange is one of the busiest interchanges in Orange County with the renowned South Coast Plaza located in it's northeast quadrant.
PROJECT VALUE: $60 million
PROJECT DESCRIPTION:
The I-405 / SR-55 Interchange Improvement project was the second part of the interchange improvement program at I-405 / SR-55. The project required working on a live freeway and included construction of a bi-directional transitway connector, braid structures, on and off-ramps and widening of a bridge undercrossing.
The I-405 / SR-55 is one of the ten busiest interchanges in the Country with the high-end shopping center, South Coast Plaza, located in its northeast quadrant.
This project was funded by an FTA grant, Measure M Transit funding and the City of Costa Mesa.
CALTROP has been recognized for excellence in construction management
for this project by CMAA, receiving the 2006 Project Achievement Award.
Overview:
CALTROP's construction managers complete I-405/SR-55 interchange in Orange County, California, on -time and under budget.
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