It then heads east-southeast to meet its eastern terminus, an intersection with SR 91 southwest of Colquitt.

[1][4] There is no section of SR 273 that is included as a part of the National Highway System, a system of routes determined to be the most important for the nation's economy, mobility and defense.

The spur route begins just east of the Chattahoochee River, at an entrance to a Georgia-Pacific plant.

[8] There is no section of SR 273 Spur that is included as a part of the National Highway System, a system of routes determined to be the most important for the nation's economy, mobility and defense.

[5] The roadway that would eventually become SR 273 Spur was built between June 1963 and the end of 1966 as an unnumbered road west-southwest from Cedar Springs.