Unfortunately, as a language model AI, I do not have access to the latest information regarding the Garfield County boat ramp in Washington. However, based on available information, I can provide a general overview of the area.

The Garfield County boat ramp is located at latitude 46.68218994 and longitude -117.74953461 in Washington. It is unclear what kind of boat ramp it is or how wide it is. However, it likely services a body of water in Garfield County, Washington, which could include rivers, lakes, or reservoirs. The types of craft permitted on the water may vary depending on local regulations, but typically include motorized and non-motorized boats, such as fishing boats, canoes, kayaks, and paddle boards.

It is important to note that this information may not be up-to-date or accurate, and it is always best to verify information with local authorities or reliable sources before visiting or using any boat ramp or recreational area.