A laminated one-ply support mat comprised of a plurality of individual wood laminations that includes means for transferring load and interlocking with an adjacent one-ply support mat. The laminated one-ply support mat may be suitable for the construction of temporary roads, flooring, or platforms to support heavy equipment. The laminated one-ply support mat may include a non-laminated member fastened to each side to prevent damage to the edge of the laminated support mat. The laminated one-ply support may be comprised of a plurality of individual wood laminations fastened together by a plurality of nuts and bolts allowing the support mat to be disassembled and repair in the field.