According to the Maine Department of Inland Fisheries and Wildlife, the Jackman Road 1139 boat ramp in Rockwood is a concrete plank boat ramp. It is 12 feet wide and services Moosehead Lake, which is the largest lake in Maine. Moosehead Lake is approximately 40 miles long and covers 117 square miles, making it a popular destination for recreational boating, fishing, and other water-based activities. The boat ramp is suitable for small and medium-sized boats, such as fishing boats, canoes, kayaks, and pontoon boats. The latest information available confirms that the Jackman Road 1139 boat ramp is still in operation and accessible to the public.