Missouri Route 90

Route 90
MO 90 highlighted in red
Route information
Maintained by MoDOT
Length46.561 mi (74.933 km)
Existed1922–present
Major junctions
West end Route 43 in Southwest City
Major intersections
East end Route 37 in Washburn
Location
CountryUnited States
StateMissouri
CountiesMcDonald, Barry
Highway system
Route 89 Route 91

Route 90 is a 46.561-mile (74.933 km) state highway in McDonald and Barry counties in southwest Missouri, United States, that connects Missouri Route 43 (Route 43) in Southwest City with Missouri Route 37 (Route 37) in Washburn.