I'm looking at alternate routes to Niagra Falls .towingopen trailer so interested to know what the highways are like from Grand Forks to Duluth then east to via #2E to #28E to northern Michigan then south on I75 thru to Michigan south to Port Huron and into Canada ...was going to go south thru Minneapolis Chcago Detroit .......good highways but long way around so considering the route under Lake Superior ....... looking for info on the condition of highways from say Duluth East to nothern Michigan then south over the Mackinaw bridge to to Port Huron into Canada