Riverwalk Bridge The Riverwalk Bridge is Littleton NH's only covered bridge. This 352 foot, Warren Truss pedestrian bridge was completed in September 2004 Littleton, NH Other Attractions Crazy Horse Campground Littleton, NH Businesses Lisbon Economic Development Littleton, NH Other Attractions Notchnet.com Littleton, NH Other Attractions WLTN Littleton, NH Other Attractions