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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.
What else can I help you with?
What is tower bridge in London England made of and why?
Tower Bridge is made of 11,000 tons of steel and faced with Portland Stone and Cornish Granite.
Is the tower bridge man made?
Yes
What materials was Tower Bridge made from?
Stone and steel.
How many people made the tower bridge?
200
How was Tower Bridge built?
it was made with cement by a lot of people
When was the tower bridge made?
The construction works started in 1886 and they opened the Tower Bridge in 1894. It took 8 years to construct.
What type of Bridge is Tower Bridge?
The Tower Bridge is a combined bascule and suspension bridge.
What direction is Tower Bridge from London Bridge?
Tower Bridge is east of London Bridge.
What type is the Tower Bridge?
Tower Bridge is a combined bascule and suspension bridge.
Was London Tower bridge naturally made?
No, it is manmade of stone and steel.
Is Tower Bridge east of the Tower of London?
Tower Bridge is adjacent to the Tower of London on its southeast corner.
In what country is the Tower Bridge?
Tower Bridge is in London, England over the River Thames
