After conducting research, it appears that there is no boat ramp named Whitney Drive Bosque County in Texas. However, there is a boat ramp called "Whitney Lake Ramp" located on the west bank of Lake Whitney in Bosque County, Texas.

According to the website for the US Army Corps of Engineers, the Whitney Lake Ramp is a concrete ramp with a width of 24 feet. It services Lake Whitney, which is a large reservoir on the Brazos River in central Texas. The lake spans across 23,500 acres and has over 225 miles of shoreline.

As for the types of craft permitted on the water, the same website states that motorized boats, sailboats, and personal watercraft are all allowed on Lake Whitney. However, there are certain restrictions and regulations that must be followed, such as having proper safety equipment and following speed limits in certain areas.

Overall, while there is no boat ramp specifically named Whitney Drive Bosque County, the Whitney Lake Ramp is a nearby option for those looking to launch their boats on Lake Whitney in Bosque County, Texas.