At InfraSteel, our arched & elliptical liners are designed to match the radii of the existing structure in order to maximize the hydraulic area of flow. We manufacture these shapes with spans up to 20’ wide in thicknesses from ½” to 2.00”. Arch & Elliptical Liners are most commonly shipped in 8’-10’ lengths due to shipping and job site handling. Each liner is manufactured from the highest quality domestic, “Buy American” steel material and provides the strength and dependability of smooth wall carbon steel. You can give us a call today to ask about our arched culvert pipe systems.