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.
Tower Bridge is made of 11,000 tons of steel and faced with Portland Stone and Cornish Granite.
Yes
Stone and steel.
200
it was made with cement by a lot of people
The Tower Bridge is a combined bascule and suspension bridge.
The construction works started in 1886 and they opened the Tower Bridge in 1894. It took 8 years to construct.
Tower Bridge is east of London Bridge.
Tower Bridge is a combined bascule and suspension bridge.
No, it is manmade of stone and steel.
Tower Bridge is adjacent to the Tower of London on its southeast corner.
The tower bridge is located on the river thames