Easy installation and proven durability with a variety of shapes, sizes and treatments for spans from 5 ft to 102 ft. The inherent strength, durability, cost-savings, and rapid installation of precast concrete bridges have made them the premier bridge technology in the world. Prefabricated, modular concrete bridges require less material than cast-in-place structures, for a lower initial cost. Off-site fabrication ensures tight adherence to specs, less on-site work, and quality control of modular units. Installation is fast — usually within days, compared to the weeks or even months required for cast-in-place construction. This minimizes road closings and detours. Precast concrete eliminates the costly maintenance of exposed bridge decks and bridge deck icing. Prefabricated bridge components ensure a long life cycle and low life cycle costs, requiring virtually no maintenance.