Based on the latest information available, the boat ramp named East Twin City Park Road located in Prairie County, Arkansas is a concrete boat ramp. It is approximately 20 feet wide and services the White River, a major river in the region. According to the Arkansas Game and Fish Commission, the White River is open to motorized and non-motorized watercraft, including boats, canoes, and kayaks. It is important to note that boaters should always check local regulations and safety guidelines before entering any body of water.