The route then made a westbound turn at the corner of the Civic Center, leading to Lake Beulah via West Lime Avenue.

[3] However that terminus was scrapped for an extended route named Harden Boulevard, which ran along the north and west sides of Lake Hunter through a former strip mine, part of which became the Kings Point Par 3 Golf Course and finally terminating at Florida State Road 572 (Drane Field Road).

Harden Boulevard extends south in a two-lane undivided highway with the right-of-way for two more lanes leading to West Pipkin Road.

The original version was decommissioned and redesignated as an unmarked Polk County Road extension on July 19, 2005.

[5] Construction of the western segment of Florida State Road 548 in the late-2000s, brought about a redesign of the intersection with the southern terminus of SR 539.