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Seismic Bridge Design

I-5/Valencia Boulevard OC(Replacement).
Athalye Consulting Engineers was responsible for the for the PS&E preparation for the bridge replacement of the existing Valencia Boulevard Over Crossing with a wider bridge to accommodate seven lanes.

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Independent Check for SR 91 Structure Modification
The project consisted of performing the independent check of four bridges along State Route 91 in Riverside County in accordance with the Caltrans Project Development Procedures Manual. All bridges were designed in accordance with current Caltrans Bridge Design Specifications and SDC criteria Version 1.1.

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Barstow Overhead
The Barstow Overhead is an 1164’ long structure, constructed circa 1929, that carries First Street over a railroad yard and several local streets in the City of Barstow, California.

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Chapman Avenue Undercrossing (Replacement)
The structure is a 194 foot two span CIP/PS box girder bridge. The existing precast girder bridge will be replaced by the new CIPP/S box girder bridge in a 2 stage construction approach.

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Soto Street Over Los Angeles River
The Soto Street Bridge is a concrete arch structure constructed in 1928 to cross the Los Angeles River in the city of Vernon. It consists of six spans of six rows of reinforced concrete girders, spandrel columns and arch ribs, topped with an RC deck. The arch ribs are stiffened transversely by spandrel beams and umbrella stiffeners.

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San Mateo-Hayward
The San Mateo-Hayward bridge is approximately 7 miles long and is one of the major crossings of the San Francisco Bay, connecting Foster City and Hayward. The bridge consists of West Approach Structure, Steel Bridge and Trestle.

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Project Categories
Bridge Design
Seismic Bridge Design
Bridge Construction
NBIS Bridge Inspection


Bridge Design Experience

Bridge Design Experience


Bridge Construction Experience

Bridge Construction Experience