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
The London Bridge Experience The London Bridge Experience The London Bridge Experience is a tourist attraction in Southwark, London, England, on the south bank of the River Thames. Guests are led by actors on a tour through moments in London's history, including Boudicca's battles with the Romans, and The Great Fire of London. The attraction is located on Tooley Street, in vaults below the southern abutment of London Bridge, immediately outside London Bridge Station and originally a rival attraction, the London Dungeon, which has since moved closer to the London Eye. It is also opposite The Shard. The attraction opened on February 22, 2008