THE CONCRETE BRIDGE MAGAZINE

SPRING 2007

ASPIRE is a quarterly magazine published by PCI in cooperation with the associations of the National Concrete Bridge Council. The editorial content focuses on the latest technology and key issues in the Concrete Bridge Industry.

Issue link: http://www.aspiremagazinebyengineers.com/i/306897

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26 | ASPIRE , Spring 2007 The new South Bay Expressway near San Diego, California, provides a 12.5-mile addition that closes a gap in the area's congested highway system. The project includes several innovations for highway construction in California including a three-quarter mile long precast concrete segmental bridge built using the balanced cantilever method, only the second of its kind in California. profile the Otay river Bridge / SAn DIEgO COunTy, CAlIFORnIA Constr UCtion managEr: Parsons Transportation group, San Diego EnginEEr: International Bridge Technologies, Inc., San Diego PrimE ContraCtor: Otay River Constructors, a joint venture of washington group International, Boise, Idaho, and Fluor Daniel, Sugarland, Tex. ConCrEtE sUPPliEr: Hanson Construction materials, Calif. PrECastEr: Pomeroy Corp., Perris, Calif., a PCI-Certified Producer Precast Segmental Bridge Forges Link for Toll Road by Wayne A. Endicott Designers faced challenges with four-lane- wide structure that stretches nearly three- quarters of a mile over an environmentally sensitive area in s an Diego The 500-ft-long gantry sits atop a completed cantilever section. ASPIRE_spring_2007.indb 26 3/7/07 12:32:40 PM

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