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It is one of five London bridges currently owned by Bridge House Estates, a charitable trust overseen by the City of London Corporation.
The bridge consists of two bridge towers linked together at the top by two horizontal walkways, designed to resist the horizontal tensile forces exerted by the suspension sections of the bridge on either side of the towers.
The bridge deck is freely accessible to vehicles and pedestrians, while the twin bridge towers, walkways and Victorian engine rooms are part of the Tower Bridge Exhibition.