The Hy-Span Bridge from Permatile offers unsurpassed flexibility and efficiency for the construction of new or replacement bridges. Our in-plant quality control assures consistent and accurate production of every Hy-Span structure with all the strength and durability inherent in precast concrete. The typical Hy-Span bridge installation can take as little as one day. Fast, easy installation keeps project turnaround time at a minimum and the budget in line.  Conventional bridge construction and replacement  Multiple cell installations for longer spans  Underground storm water detention structures Pedestrian walkways Ability to skew bridge up to 45 degrees BY PERMATILE THE INSTANT BRIDGE™ The Superbox from Permatile offers a strong, efficient and easy-to-install way to create underground passageways for nearly every situation. The Superbox is custom-built to your specifications and is available in different spans and heights to meet a wide range of construction needs. The speed at which Permatile Superbox can be installed can cut months from a construction schedule.