[1] The Spur 57 designation begins along the two-way westbound frontage road of I-20 west of the Pyote city limit.

The route follows the roadway of former US 80 and parallels the Union Pacific Railroad to its north.

[2] Traveling eastward through Pyote, Spur 57 crosses SH 115, which provides access to I-20 at its exit 66, and passes through Wickett, where it intersects FM 1219.

[1][3] A previous route designated Spur 57 was established in Montgomery County on September 25, 1939.

[1] The current Spur 57 was designated on August 28, 1991, as part of the cancellation of US 80 west of Dallas.