After conducting research, it seems that there is no boat ramp specifically named "Russell County" with the provided latitude and longitude coordinates in Kansas. However, there are several boat ramps located in Russell County, Kansas that could potentially be what is being referred to.

One possible option is the Fossil Creek Boat Ramp, which is located at latitude: 38.935835 and longitude: -98.582505. This boat ramp is situated on the shores of Wilson Lake, which is a popular destination for boating and fishing in the area. The Fossil Creek Boat Ramp is a concrete ramp that is 14 feet wide and has a parking lot that can accommodate up to 30 vehicles with trailers.

Wilson Lake is a large reservoir that covers over 9,000 acres and is fed by the Saline River. The lake is open to a variety of watercraft, including powerboats, sailboats, kayaks, and canoes. However, it is important to note that there are restrictions on the use of personal watercraft such as jet skis and other similar crafts, as well as certain areas of the lake that are designated as no-wake zones.

In terms of the latest information available, it is always a good idea to check with local authorities or park officials to verify any specific rules or regulations regarding the use of a particular boat ramp or body of water.