 In 1985, SR 57 was designated on SR 23 from Ludowici to Cobbtown.State Route 23 Connector (SR 23 Conn.) was a connector route of SR 23 that existed entirely within the city limits of Glennville.Between February 1948 and April 1949, it was established from SR 23 in the northwestern part of the city to US 25/US 301/SR 73 in the northern part of the city.