The first London Bridge was made of wood. A stone bridge was completed in 1209. It was replaced by a much more ambitious bridge, built between 1823 and 1831, using granite quarried from Dartmoor
. It rested on five granite arches and was 928 feet long and 63 feet wide.
In the 1960s, it was discovered that the bridge was settling into the river and needed to be replaced. An American developer bought the old bridge and shipped it to Lake Havasu City, Arizona, where it was reconstructed. A modern bridge has taken its place in London.