The Cass County Secondary Roads Department has announced that Cass County Road N28 (690^th St.) will be closed on Wednesday, September 23, just south of Iowa 83 at the Iowa Interstate Railroad for repairs to the crossing.  A signed detour using Iowa Highway 83, US Highway 71, and Cass Co. G35 (Lansing Rd.) will be provided.  It is anticipated the crossing repairs will be completed and the roadway reopened on Friday, September 25th.