A railroad well car includes a pair of spaced trucks, and a railcar body supported on the trucks, the body comprising a pair of spaced end structures, each end structure supported on one truck, and a well structure extending between the end structures. The well structure comprises a pair of top chord members extending between the end structures; a pair of side sills extending between the end structures; a pair of end chords extending between the side sills; four corner container support members, each secured to one end chord and one side sill at four corners of the well structure; a plurality of floor beams extending between the side sills forming at least a portion of a floor for the well structure; and a plurality of side truss members extending between one side sill and one top chord on each side forming an open truss side for the well structure.