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 WLTN Littleton, NH Other Attractions Meg Mourey's Antiques Littleton, NH Other Attractions Littleton High School Littleton, NH Other Attractions Littleton Motel Littleton, NH Businesses