 Mississippi Highway 198 ( MS 198 ) is a state highway in the U.S. state of Mississippi . The highway is the designation for six former segments of U.S. Highway 98 ( US 98 ) that have been bypassed by newer alignments . These six segments are located in Tylertown , Columbia , Hattiesburg , Beaumont , McLain , and Lucedale . Five of the six sections of MS 198 are two @-@ lane undivided roads that pass through small towns ; the exception is the Hattiesburg section which is a four @-@ lane divided highway running through developed areas of the city . The total length of the six sections of MS 198 is 24 @.@ 937 miles ( 40 @.@ 132 km ) . 
