After conducting research, I was unable to find any specific information regarding a boat ramp named Bartholomew County in Indiana with the provided latitude and longitude coordinates. It is possible that the coordinates are incorrect or outdated.

However, Bartholomew County does have several boat ramps that provide access to various bodies of water. One of the most popular boat ramps is located at Ceraland Park, which is situated on the north side of Bartholomew County near the city of Columbus.

According to the park's website, the boat ramp is a concrete ramp with a width of 24 feet. It provides access to the 320-acre Ceraland Lake, which allows for various water activities such as boating, fishing, and swimming.

The lake permits all types of watercraft, including motorized boats, sailboats, canoes, kayaks, and paddleboards. However, there are certain regulations and guidelines that must be followed, such as wearing a personal flotation device and abiding by speed limits and wake restrictions.

In summary, while the specific boat ramp named Bartholomew County could not be located, the Ceraland Park boat ramp in Bartholomew County provides access to Ceraland Lake and allows a variety of watercraft.