Stone and steel.
Steel
The present London Bridge is a pre-stressed concrete box girder bridge.
Steel and stone.
Stone and steel.
Tower Bridge is made of 11,000 tons of steel and faced with Portland Stone and Cornish Granite.
Yes
200
For the same reason that all bridges are made, ie to allow people and traffic to bypass a geographical obstruction. In the case of Tower Bridge it is the river Thames.
it was made with cement by a lot of people
11,000 tons of steel, Cornish granite and Portland stone.
The construction works started in 1886 and they opened the Tower Bridge in 1894. It took 8 years to construct.
The Tower Bridge is a combined bascule and suspension bridge.