Tower Bridge bridge's upper walkways. The pedestrian walkways are above the river at high tide. The main bridge deck carries two lanes of road traffic between two low-level pedestrian walkways across both suspension spans and the opening bascule section of the bridge, with the walkways separated from the roadway by fences. The roadway passes through each of the two towers, whereas the low-level walkways pass around the outside of the towers. One of the chimneys on the bridge, which are often mistaken for lamp posts, connects up to an old fireplace in a guardroom of the Tower of London. It is long-disused.
Bridge House Estates cannot be an Alderman. The chairmanship is held for only one year as the responsibilities are so onerous. In addition to its Royal Charter of 1282, the Bridge House Estates operates with respect to various legislative powers e.g. the "Blackfriars Bridge Act 1863", the "Blackfriars and Southwark Bridge Act 1867", the "Corporation of London (Tower Bridge) Act 1885" for its maintenance role and for its general charitable role under the "Charities (The Bridge House Estates) Order 1995" (Statutory Instrument 1047), and the "Charities (The Bridge House Estates) Order 2001" (Statutory Instrument 4017). Originally funded by tolls on London Bridge, the