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The contractors faced quite many challenges in that the bridge cannot be closed all together.The facelift project features many changes such as stripping off the metal paint to repaint in white and blue.The facelift project was going to take good four years to complete. The total estimated cost is about £4 million. The Tower Bridge authorities announced major change in April 2008 when they decided to introduce facelift in the bridge.When the bridge is closed the clearance height is about 28 feet (8.6 meters) however when it is raised up the clearance height becomes 139 feet (42.5 meters).In 1982 it was opened again for pedestrians. The upper walkways were rarely used by pedestrians as pickpockets or prostitutes had become fairly common.However, the foot tunnel was shut down in 1898.

Soon after the opening, the bridge was used by hundreds of pedestrians for free.

The former was known as Iron Gate while the latter as Horselydown then.

The bridge provided the link between the present-day Tower Bridge Approach and Tower Bridge Road.

The Prince of Wales officially opened the Tower Bridge on June 30, 1894.

The total cost of construction estimated at £1,184,000 that is equal to the £124 million in 2016.

The Bridge House Estates maintain the tower bridge.

They also used Portland stone and Cornish granite to give protection to the steel.

They used 11,000 tons of steel to build the bridge’s framework.

The piers were going to support the construction.

The engineers sank two mammoth-sized concrete (piers) weighing 70,000 tons into the riverbed.

About 432 workers were employed to begin the construction.

Five chief architects headed the construction named: Baron Armstrong (hydraulics), Sir William Arrol & Co., Sir John Jackson (foundations), E.W.

However, the computer system turned out to be just not reliable as the bridge often gets stuck in the middle.

The management installed computer system in 2000 precisely to help it in lifting as well as lowering down the bascules simply by remote.

All engines were modernized in 1974 and the one that was installed in 1942 finally donated to the Industrial Museum.

They thought that the enemy might hit the bridge during the war.

The authorities installed the third engine in 1942 merely to give support to the remaining ones during the World War II.

Parliament passed the Act in 1885 to approve the budget for the bridge.

The architect Sir Horace Jones and the engineer Sir John Wolfe Barry were appointed to construct the bridge.

They decided to build the bascule bridge. In 1884 however the committee approved the Joseph’s design.

Sir Joseph Bazalgette, a civil engineer, also presented a design but it was rejected because it didn’t have headroom.

The engineers submitted as many as 50 bridge designs.

In 1877, Sir Albert Joseph Altman chaired a Special Bridge or Subway Committee to find out the way.During the nineteenth century, engineers were largely concerned with the fact that if they construct a fixed bridge, it would likely affect the sailing ships which travel between tower of London and London Bridge.Around 40,000 people cross the bridge each day.Tower Bridge is one of the busiest bridges in the world.It had become the center point of the River Thames right after it was built.The tower bridge soon earned another name as the Wonder Bridge.It has two huge roadways that open up so that the tall ships go through it.The bridge is basically designed to ease road traffic that makes its way over the river while maintaining the river access. The tower bridge is one of the world’s famous bridges.IMAGE: Tower Bridge Facts for Kids What Type of Bridge is Tower Bridge? A magnificent scene of Tower Bridge in London. You’re about to discover many more Tower Bridge facts for kids. The main colors of the bridge are white and blue. At the base of each tower there is an operating machinery as well as bascule pivots. One of the striking features of the tower bridge is that it features the system in which the roadway opens up allowing tall ships to pass through. The bridge contains of two bridge towers which are connected via two horizontal walkways. Tower bridge is often confused with the London Bridge. It was built in the late 19 th century featuring the magnificent architect of the Victorian Engineers. The bridge runs over the River Thames close to the Tower of London. The Tower Bridge is one of the England’s most popular and iconic landmarks.