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.
Richmond Bridge, London Goose", the £3,500,000 yacht of National Car Parks founder Sir Donald Gosling, became wedged under the central arch of the bridge, eventually being freed at low tide the next day. The eighth Thames bridge to be built in what is now Greater London, Richmond Bridge is currently the oldest surviving bridge over the Thames in Greater London, and the oldest Thames bridge between the sea and Abingdon Bridge in Oxfordshire. Richmond Bridge was Grade I listed in 1952 and it is the only Georgian bridge over the Thames in London. Its bicentenary was celebrated on 7 May 1977; the commemoration