 The highway crosses the river on the Point of Rocks Bridge, a two-lane, eight-span camelback truss bridge that also passes over the Chesapeake and Ohio Canal and CSX's Metropolitan Subdivision on the Maryland side of the river.Just north of the bridge, US 15 meets the western terminus of MD 28 (Clay Street), which serves as the main street of the community of Point of Rocks.The U.S. Highway heads north as a two-lane undivided controlled-access road that passes through a mix of farmland and forest on the eastern flank of Catoctin Mountain.