Tower Bridge as its northern landfall is in Tower Hamlets. The bridge consists of two bridge towers tied together at the upper level by two horizontal walkways, designed to withstand the horizontal tension forces exerted by the suspended sections of the bridge on the landward sides of the towers. The vertical components 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. Before its restoration in the 2010s, the bridge's colour scheme dated from 1977, when
Greta Bridge painting the "Rokeby Venus" by Diego Velázquez was originally housed at Rokeby Park, near Greta Bridge. It is now in the National Gallery in London. 1 mile north is Mortham Tower, a fortified manor house dating from the 14th century, with a 15th-century tower. Greta Bridge Greta Bridge is a village on the River Greta in County Durham, England. Greta Bridge lies in the Pennine hills near to Barnard Castle. The bridge (now bypassed by the A66 trunk road) is over the River Greta just south of its confluence with the River Tees. Greta Bridge lies within the historic county