I might be heading to freeport later today; if so, I will stop by the road in question to find out for sure.

as far as I know it's closed completely. I'd assume they'd let you through if you live there.
https://mdotjboss.state.mi.us/MiDrive/map?constZone=true&lat=42.72313163065998&lon=-85.25667874732117&zoom=13
If my edits were incorrect, I apologise, I'm newer to this.