MN 66 highlighted in red | ||||
Route information | ||||
Maintained by MnDOT | ||||
Length | 12.059 mi[2] (19.407 km) | |||
Existed | 1963–June 30, 2016[1] | |||
Major junctions | ||||
South end | ![]() ![]() near Good Thunder | |||
North end | ![]() ![]() | |||
Location | ||||
Country | United States | |||
State | Minnesota | |||
Counties | Blue Earth | |||
Highway system | ||||
| ||||
|
Minnesota State Highway 66 (MN 66) was a highway in south-central Minnesota, which ran from its intersection with Blue Earth County Roads 1 and 10 near Good Thunder and continued north to its northern terminus at its interchange with U.S. Highway 169 / State Highway 60 in the city of Mankato. The highway is currently known as Blue Earth County Road 1 (CSAH 1).
Highway 66 was 12 miles (19 km) in length.