The Grainger 14M057 is a 14-inch diameter, 57-inch long, galvanized steel culvert pipe. It has a corrugated exterior and smooth interior, with annular corrugations and a spiral lock seam. The pipe is made from 16 gauge steel and can support H-20 loading. It meets AASHTO M36 and ASTM A760 specifications. The culvert pipe is often used for road drainage or small bridge installations. With proper bedding and backfill, it provides an economical underground conduit for stormwater and drainage.