Millennium Bridge, London people walking caused small sideways oscillations in the bridge, which in turn caused people on the bridge to sway in step, increasing the amplitude of the bridge oscillations and continually reinforcing the effect. On the day of opening, the bridge was crossed by 90,000 people, with up to 2,000 on the bridge at any one time. Resonant vibrational modes due to vertical loads (such as trains, traffic, pedestrians) and wind loads are well understood in bridge design. In the case of the Millennium Bridge, because the lateral motion caused the pedestrians loading the bridge to directly participate with the bridge,
London Bridge City Pier London Bridge City Pier London Bridge City Pier (also known as London Bridge Pier and City Pier) is situated on the south bank of the River Thames in London, UK, close to London Bridge. It serves as the main pier for the City of London and City Hall, headquarters of the London Assembly. The pier is also close to Hay's Galleria, HMS Belfast and Borough Market and the Shard. London Bridge City Pier is served by the Thames commuter catamaran service run by Thames Clippers. Boats run regularly from Embankment and the London Eye, and on to Tower Millennium Pier,