According to the latest information available, the boat ramp named Norton Ridge Road 99, Shapleigh is a concrete ramp with a gravel parking area. It is approximately 12 feet wide and can accommodate small to medium-sized boats. The ramp services Mousam Lake, a 1,235-acre freshwater lake in southern Maine, and is operated by the Maine Department of Inland Fisheries and Wildlife.

The ramp is suitable for launching and retrieving boats that are up to 20 feet long and have a weight of up to 2,000 pounds. The lake is open to all kinds of watercraft, including motorboats, canoes, kayaks, and sailboats. However, boaters should be aware that there are no restrictions on the size or speed of motorized boats on the lake, so caution and courtesy are advised to prevent accidents and conflicts.

Overall, Norton Ridge Road 99 boat ramp is a convenient and well-maintained facility that provides easy access to Mousam Lake for boaters and anglers. Its location in Shapleigh, Maine, makes it easily accessible from nearby towns and cities, such as Alfred, Sanford, and Biddeford.