Based on the latest information available, the River Road Warren County boat ramp in North Carolina is a concrete boat ramp located on the Roanoke River. The ramp is reportedly 22 feet wide and services primarily small boats and canoes. The Roanoke River is a popular spot for fishing and boating, and the watercraft permitted on the river include canoes, kayaks, and small motorboats. However, it is important to note that specific rules and restrictions may vary depending on the season, local regulations, and other factors. It is always recommended to check with local authorities or official sources for the most up-to-date information before embarking on any boating or water-related activities.