Minnesota State Route 149 runs in Northern Dakota County. It goes from Minnesota State Route 3, at Inver Grove Heights, to the Mississippi River crossing at the Dakota/Ramsey County Line, at St. Paul. MN St Rt 149 passes through the following towns in Dakota County. Inver Grove Heights Eagan Mendota Heights West St. Paul MN St Rt 149 is multi-plexed in Dakota County. Minnesota State Route 55, at Eagan.