SR 190 begins at an
intersection with
US 27/
SR 1, south of
Pine Mountain, in
Harris County. It heads northeast and meets
SR 354 within
F.D. Roosevelt State Park. After leaving the park, it enters
Meriwether County and Roosevelt's
Little White House Historic Site, just north of
Dowdell's Knob. On the southeast edge of the site, it intersects
US 27 Alt./
SR 85 Alt. (Whitehouse Highway). It enters
Talbot County and parallels the northwestern border of the county. Finally, it crosses back into Meriwether County and enters
Manchester. It heads northeast until it meets its eastern terminus, an intersection with
SR 41/
SR 85 (Broad Street). SR 190 is not part of the
National Highway System, a system of roadways important to the nation's economy, defense, and mobility. At its eastern terminus lies
Georgia State Patrol's Post 34, also known as the Manchester Post. SR 190 is used to access several broadcast towers including
WFDR-FM,
WFDR (AM), and
WVFJ-FM. On top of the mountain, SR 190 passes over
State Route 354 on a historic bridge built by the
Civilian Conservation Corps. This route also contains many
lookout points for photography. Until the mid-1980s, SR 190 ran through Manchester eastwards to
Chalybeate Springs, Georgia with a planned extension of the highway across the Flint River to an eastern terminus at U.S. 19 north of
Thomaston, GA. Eventually, the state dropped those plans, and the planned extension was dropped from state maps by 1986. At that same time, the eastern terminus of SR 190 was placed at its present location. ==Major intersections==