 The east (south) three miles (5 km) were added as State Route 104 in 1928, taking it to the present State Route 352 junction at Stone Creek; St. Charles (accessed via SR 352) was used as the eventual end.However, it was instead extended west to the Kentucky state line, with 2.25 miles (3.5 km) added in 1931 and the rest, another , in 1932.