It is the primary route through the unincorporated community of Ironville, which is a suburb of Ashland.

KY 766 switches back onto Roberts Road and heads south.

Shortly thereafter, it turns east onto Bob McCullough Drive, while KY 3292 continues south on Roberts Road.

The street heads southeast for a short way before it ends at US 60.

[2] The entire route is in Ironville, Boyd County.