I-44 highlighted in red | ||||
Route information | ||||
Maintained by MoDOT | ||||
Length | 293.183 mi[1] (471.832 km) | |||
Existed | 1956–present | |||
NHS | Entire route | |||
Major junctions | ||||
West end | ![]() ![]() | |||
East end | ![]() | |||
Location | ||||
Country | United States | |||
State | Missouri | |||
Counties | Newton, Jasper, Lawrence, Greene, Webster, Laclede, Pulaski, Phelps, Crawford, Franklin, St. Louis, City of St. Louis | |||
Highway system | ||||
|
Interstate 44 (I-44) in the US state of Missouri runs northeast from the Oklahoma state line near Joplin to I-70 in Downtown St. Louis. It runs for about 293 miles (472 km) in the state, and is the longest Interstate Highway in the state.