Based on the latest information available, the boat ramp named State Lake Road 7988 is located in Pottawatomie County, Kansas. It is a concrete boat ramp that provides access to the Tuttle Creek Lake. The ramp is approximately 12 feet wide and is suitable for smaller watercraft such as canoes, kayaks, and small fishing boats. The lake itself has specific regulations regarding the use of motorized boats, and only boats with a maximum horsepower of 50 are allowed on the water. It is important to note that the regulations regarding boating and fishing can change, and it is always recommended to check with local authorities for the latest information before using the ramp or engaging in any water activities.