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Box culvert invert from AC Miller provide a 3-sided precast concrete solution for bridges, pedestrian or wildlife underpass crossings, tunnels, and waterway culverts. 3-sided box culvert are available in a variety of sizes to meet your project needs.

All AC Miller precast concrete box culvert solutions are designed and engineered for use in vehicle, pedestrian, and wildlife bridge applications for crossings over and under railways, roads, walkways, and waterways.

Wingwalls are vertical precast concrete slab walls that extend outward at an angle from both sides of a box culvert or pipe headwall. Box culvert offer superior erosion control and structural bridge support, and are available with precast concrete footings or aprons as required

3-Sided box culvert trench with slab tops also provide trench system solutions for protection and easy access to power, communication, fiber optic, control, and signal wires and cables. Engineered precast trench is used in the power, utility, and transportation industries and can also be used in conjunction with catch basins, inlets, and piping for storm water management systems.