Based on the latest information available, the boat ramp named "Cheatham County" located at latitude 36.32622147 and longitude -87.22785187 in Tennessee is a concrete boat ramp. The ramp is reported to be 16 feet wide and can accommodate various types of watercraft, including motorized boats, jet skis, and canoes.

Cheatham County boat ramp services the Cumberland River, which flows through the middle of Tennessee. The river is known for its great fishing opportunities, particularly for bass and catfish. It is also a popular spot for recreational boating and water sports like kayaking and tubing.

It's important to note that boaters must follow all applicable regulations and guidelines when using the Cheatham County boat ramp. This includes having all necessary safety equipment on board and following speed limits and other rules of the waterway. Boaters should also be aware of any local restrictions or closures that may be in effect.