Four-sided concrete culverts, commonly referred to as box culverts, are some of the most versatile precast concrete products on the market. Box culverts are suitable for applications such as underpasses, tunnels, subways, bridges, stream culverts, material handling, underground detention/sand filters, storage, and more. Evercast box culverts are engineered to resist corrosive elements and withstand volumes of water inside, as well as extreme loading conditions outside. Our box culverts are manufactured in a variety of sizes with standard and customizable designs to accommodate your project. They are available with precast wingwalls, headwalls, and aprons while speeding up installation drastically compared to conventional methods.