SR 283 begins as a primary highway in
Marion County in the southern part of
Whitwell at an intersection with
SR 28. It travels east to cross the
Sequatchie River to leave Whitwell and travels through rural areas. The highway then enters
Powells Crossroads and has an intersection with
SR 27 at the center of town. SR 283 then turns secondary and turns northward to leave Powells Crossroads. It continues north through farmland to cross into
Sequatchie County. It continues northeast, now running parallel to the Sequatchie River, for several miles before coming to an end at an intersection with
US 127/
SR 8 just south of
Dunlap. ==Major intersections==