SC 284 begins at an intersection with SC 81 southeast of Lowndesville, within Abbeville County, where the roadway continues as Tom Young Bridge Road.

It travels to the east and immediately crosses Gill Creek.

Almost immediately, they enter Antreville, where SC 184 departs to the northwest.

SC 28/SC 284 leaves the city limits and split.

Farther to the northeast, it meets its eastern terminus, an intersection with SC 20 in Craytonville.