The Garden Bridge project was an unsuccessful private proposal for a pedestrian bridge over the River Thames in London, England. Originally an idea of Joanna Lumley, and strongly supported by then-Mayor of London Boris Johnson, the designer Thomas Heatherwick worked with Arup Group on a proposal by Transport for London (TfL) for a new bridge across the Thames between Waterloo Bridge and Blackfriars Bridge. The proposed concrete, steel, cupronickel clad structure was intended to carry pedestrians, with no cycles or other vehicles. It was to have been located some 200 metres (660 ft) from Waterloo Bridge and 300 m (980 ft) from Blackfriars Bridge, and have included some areas of planting. The project was to include a commercial building, built on former green space at the southern end of the