Based on the latest information available, the boat ramp named OK 48 Hughes County in Oklahoma is a concrete boat ramp. It is approximately 20 feet wide and services the North Canadian River. The body of water is suitable for small watercraft such as canoes, kayaks, and small boats with electric motors. However, it is not recommended for larger boats or boats with gasoline-powered engines due to the shallow water depth and narrow channel. It is important to note that the water levels in the North Canadian River can fluctuate, and boaters should exercise caution and consult local authorities for current conditions before using the boat ramp.