Ohio 31 closed Posted on June 2, 2015 0 Ohio 31 north of Byhalia in Union County is expected to be closed the rest of this week for a culvert replacement. The project is between Rushsylvania Road (County Road 352) and Lingrell Road (County Road 344). According to officials from the Ohio Department of Transportation’s District 6, they hope to have it reopened by Friday, depending on the weather. The official signed detoured is Ohio 292 to Ohio 47 and back.