Twilight at Tower Bridge
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Perhaps one of the most famous bridges in the world, certainly in England; Tower Bridge. Tower Bridge was completed in 1894 after nearly 12 years of construction and allowed tall masted ships to dock at the Pool of London, whilst simultaneously provided a new river crossing made necessary due to the increase commercial development in London’s East End. It simultaneously a suspension bridge and a bascule bridge, a rare occurence - even in the late Victorian era, if 244 meters (801 feet) long and links the districts of Tower Hamlets to the North with Southwark in the south. Such is it’s Iconic nature if featured heavily in the promotion of the recently London 2012 Summer Olympic Games - to the point where the logos of both the Olympics and Paralympics where suspended from the second tier.
The bridge consists of two towers tied together at the upper level by means of two horizontal walkways, designed to withstand the horizontal forces exerted by the suspended sections of the bridge on the landward sides of the towers. The vertical component of the forces in the suspended sections and the vertical reactions of the two walkways are carried by the two robust towers. The bascule pivots and operating machinery are housed in the base of each tower. The bridge’s present colour scheme dates from 1977, when it was painted red, white and blue for the Queen Elizabeth II’s silver jubilee. Originally it was painted a mid greenish-blue colour