Minnesota State Highway 43

Trunk Highway 43
MN 43 highlighted in red
Route information
Maintained by Mn/DOT
Length:	44.952 mi (72.343 km)
Existed:	1920 – present
Major junctions
South end:	MN 44 at Mabel
	MN 16 at Rushford MN 30 at Rushford I-90 at Wilson Township US 14 / US 61 at Winona
North end:	WIS 54 at the Mississippi River, at Winona, MN
Location
Counties:	Fillmore, Winona
Highway system
Minnesota Trunk Highways Interstate US State Legislative routes ← MN 42 MN 44 →

Minnesota State Highway 43 (MN 43) is a highway in southeast Minnesota, which runs from its intersection with State Highway 44 in Mabel and continues north to its northern terminus at the Wisconsin state line at Winona, where it becomes Wisconsin Highway 54 upon crossing the Mississippi River.

Highway 43 is 45 miles (72 km) in length.

State Highway 43 serves as a north–south route between Mabel, Rushford, and Winona in southeast Minnesota.

The route crosses the Root River in Fillmore County.

Highway 43 passes through the Richard J. Dorer State Forest.

The northern terminus of Highway 43 is at the Mississippi River at Winona, where the route becomes Wisconsin Highway 54 upon crossing the Main Channel and North Channel bridges over the river to Wisconsin.

State Highway 43 was authorized in 1920 between Rushford and Winona. The remainder of the route between Rushford and Mabel was authorized in 1933.