The station originally had one island platform and one side platform; however, with the completion of the Yamagata Shinkansen, the island platform was removed to make way for tracks for the non-stop shinkansen services, leaving the station with a single side platform for a bi-directional track.
The station originally had two platforms (island and side) but with the addition of the Yamagata Shinkansen, one of the platforms was removed to make way for the new shinkansen tracks, leaving the station with a single side platform for bi-directional use.