ALLEN CO., Ind. (ADAMS) – The Indiana Department of Transportation says that a portion of of State Road 37 will close soon for a culvert replacement near Harlan. Starting on or after October 14, crews will be working on S.R. 37 between S.R. 101 and the Indiana State Line. Work on the culvert is expected to last for approximately one week. All work is weather-dependent and schedules are subject to change.