Beginning April 25, Route 68 will close between Hansen Avenue and Main Street for the replacement of the bridge carrying Route 68 over Sullivan Run in Butler. ---- A detour will be in place until mid-October using Hansen Avenue to Pittsburgh Road, to Main Street and to Jefferson Street. ---- The $2.2 million project will replace the existing structure with a box culvert, and is being done by Carmen Paliotta Contracting, Inc.