DetourWork will start on Wednesday on the replacement of two large culverts by MDOT workers on a section of I-75.  The work on the stretch two and a half miles south of the M-28 intersection has resulted in a posted detour. The project is expected to be completed in two months time.  As a result, northbound traffic will be detoured via Gaines Highway to M-80, then M-129 to M-28 and back onto I-75.  The detour will be the reverse for southbound I-75 traffic.