The route was designated on October 30, 1939, from SH 26 (now US 259) 3 miles north of Henderson to Overton.

It heads southeast from this junction to an intersection with FM 838.

The highway continues to the southeast to an intersection with SH 42.

Heading towards the southeast, the highway continues to a junction with Loop 571.

The highway continues to the southeast to an intersection with FM 2276.