A tie plate slide structure comprises a tie plate slide frame having a first frame member and a second opposed frame member, the first frame member and the second frame member extending substantially parallel from a first upper end to a second lower end, a substantially central support structure extending from the first upper end to the second lower end, the substantially central support disposed between the first frame member and the second frame member, a support assembly having first and second rail wheels depending from a lower side of the tie plate frame, a gate assembly disposed near the lower end of the tie plate slide frame to discharge tie plates slidably moving downwardly along the first and second frame members and the central support structure.