Boat ramp project in works, whitewater park survey being conducted ELIZABETHTON â The Elizabethton Parks and Recreation Department is working on several projects and several of those are water-related recreation projects. One of these is the boat ramp off the Master Sgt. Donnie Davis Bridge on Tenn. Highway 400, which will provide access to the north shore of the Watauga River. The departmentâs staff is continuing to work with the Tennessee Department of Transportation and the Tennessee Wildlife Resources Agency on getting the ramp established. The effort includes the creation and installation of signage on site that is required to obtain feedback from the public.