Bollinger Canyon – Iron Horse Trail Overcrossing

Shimmick led construction of the Bollinger Canyon–Iron Horse Trail Overcrossing, a landmark infrastructure project that transformed safety and connectivity along one of the East Bay’s most heavily traveled corridors. By eliminating at-grade crossings over the eight-lane Bollinger Canyon Road, the new six-span, cable-stayed pedestrian and bicycle bridge provides a safer, more accessible connection for the thousands of pedestrians and cyclists who rely on the Iron Horse Trail each day.

Beyond improving mobility, the project strengthens regional connectivity across the East Bay’s 32-mile trail network while enhancing the surrounding community through ADA-accessible design, landscape improvements, and thoughtfully integrated infrastructure.

Delivering the 950-foot-long structure required extensive coordination, precision engineering, and carefully planned construction operations, including the transport and installation of bridge sections fabricated in Washington. From complex crane picks to the exact placement of the steel center pylon, the project showcases Shimmick’s ability to safely and efficiently execute highly visible infrastructure with lasting community impact.