Hy-Span® is a superior rigid frame, 3-sided culvert system designed to elevate your infrastructure projects. Offering clear span units up to 50 ft with an impressive inside vertical clearance of up to 14 ft, Hy-Span® sets the standard for versatility, durability, and performance.

Our units are custom designed for each project, ensuring a perfect fit for your specific needs. With the capability to accommodate skews up to 45 degrees, Hy-Span® provides flexibility without compromising on quality. Customize your project further by adding color and special textured patterns.  Fort Miller can also provide prefabricated bridge units with precast footings, invert slabs, cut-off walls, headwalls, and wingwalls, creating a comprehensive precast concrete solution.

spaanspan installation

Resources & Downloads

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Featured Hy-Span™ Projects

View our relevant Hy-Span™ projects below. Contact us today to discuss how Hy-Span® can meet your project requirements.

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