Wisconsin Highway 143

State Trunk Highway 143 marker
State Trunk Highway 143
Map
WIS 143 highlighted in red
Route information
Maintained by WisDOT
Length7.5 mi (12.1 km)
Major junctions
West end US 45 south of West Bend
East end WIS 57 in Cedarburg
Location
CountryUnited States
StateWisconsin
CountiesWashington, Ozaukee
Highway system
WIS 142 WIS 144

State Trunk Highway 143 (often called Highway 143, STH-143 or WIS 143) was a 7.5-mile (12.1 km) state highway in Washington and Ozaukee counties in Wisconsin, United States, that ran east–west between south of West Bend and Cedarburg.