Bridge four-lane highway on the upper level and a pair of railway tracks at the lower level. Tower Bridge in London is different example of a double-decked bridge, with the central section consisting of a low level bascule span and a high level footbridge. A viaduct is made up of multiple bridges connected into one longer structure. The longest and some of the highest bridges are viaducts, such as the Lake Pontchartrain Causeway and Millau Viaduct. A three-way bridge has three separate spans which meet near the center of the bridge. The bridge appears as a "T" or "Y" when viewed
London Bridge, Virginia London Bridge, Virginia London Bridge is an unincorporated community within the independent city of Virginia Beach, Virginia, United States. It is located in the area of Great Neck Road and Virginia Beach Boulevard, where Laskin Road begins. London Bridge was a town with its own post office in operation when it was still a part of Princess Anne County prior to the county's consolidation with Virginia Beach by mutual agreement in 1963. The post office at London Bridge was located in London Mews, now Chambord Commons in what is now known as the Le Chambord Restaurant. The actual bridge is