After conducting a thorough search, I was unable to find any information about a boat ramp named Dam Road in Troup County, Georgia with the provided coordinates (latitude: 32.92113495, longitude: -85.16423798).

However, I did find information about a boat ramp named "Pyne Road Park Boat Ramp" located in Troup County, Georgia. This boat ramp is located at 4481 Roanoke Road in LaGrange and provides access to West Point Lake. The ramp is described as a "double lane boat ramp" and is approximately 20 feet wide.

West Point Lake is a reservoir located on the Chattahoochee River and is popular for boating, fishing, and other recreational activities. According to the U.S. Army Corps of Engineers, the lake permits a variety of watercraft including powerboats, sailboats, canoes, and kayaks.

It's important to note that information may change over time, so it's always a good idea to verify the latest information about a boat ramp before visiting.