Back in 2013 MDOT replaced the I-96 bridge over the PM Ionia Br in Portland with a big corrugated tube for the bike trail. At the same time they did extensive repairs to the US-127 bridge over the MC north of Lansing which had nothing nothing under it. Strange as it may seem apparently they were planning ahead as there is now some extensive grading going on under that bridge. Too much to be a trail so it must be going to be a road of some sort. The Wood Rd bridge to the SW over the MC was removed and filled a decade or so ago so there will be a rather steep approach to that. Granger has covered the ROW beyond Wood Rd with a land fill.