[6] The route enters the unincorporated area of Siloam, and it turns north at Siloam–Griffith Road.

At Palo Alto, the route turns northwest and travels along Long Branch.

The route meets CRD 166 west of Macedonia,[4] and state maintenance ends at Aberdeen Road near Buena Vista.

[4] The gravel road that became MS 47 has existed at least since 1928, from West Point to Houston.

[17][18] After being proposed in July 1957,[19] the section from Trebloc to Buena Vista was paved by 1958.