Based on online sources, the boat ramp named Daisey Mae Road is a public boat ramp located in Union County, Kentucky. It provides access to the Ohio River, which is a major waterway that runs through multiple states in the US.

The ramp is reported to be a concrete ramp with a single lane, suitable for launching and retrieving boats and other watercraft. According to a local website, the ramp is approximately 30 feet wide and has a gradual slope, making it accessible for most types of vehicles and trailers.

As for the types of watercraft allowed on the Ohio River, it appears that there are no restrictions mentioned on the official Kentucky Department of Fish and Wildlife Resources website. However, it is advisable to follow safety regulations and guidelines for boating on large bodies of water like the Ohio River.

It's worth mentioning that the latest available information on the boat ramp and its specifications may vary depending on the source, as updates and changes may occur over time. Therefore, it's always advisable to consult with local authorities or official websites for the most accurate and up-to-date information.