A cargo well configuration that significantly increases the strength of the neck area of the trailer by providing a novel cargo well attachment providing superior strength and load carrying capacity. The improved cargo well of the present invention comprises a first I-beam and a second I-beam positioned generally parallel to each other. Each of the I-beams comprises a web portion, a chord portion generally perpendicular to the web portion, and an extension portion at an end of the chord portion positioned generally parallel to the web portion. The cargo well further comprises a metal plate extending between and fixably attached to the web portion of the first I-beam and the web portion of said second I-beam. The metal plate is fixably attached to the extension portion of the first I-beam and the extension portion of the second I-beam.