State Highway 176 (SH 176) is a Texas state highway running from the New Mexico state line east to Big Spring.

[2] SH 176 was originally designated on September 22, 1932, as a connector route between Tyler and the Gregg–Rusk county line.

[4] On September 26, 1939, this route had been reassigned to SH 31 when its path was shifted south.

The current routing was first cosigned, but not designated, on September 29, 1953, concurrent with FM 87.

On August 29, 1990, this route was officially designated, canceling FM 87.