Were there any problems with tower bridge of London?

Here are a few notable incidents:

- 1912: A tramcar derailed on the bridge, causing significant damage to the bridge's structure.

- 1920: A fire broke out in one of the bridge's towers, causing extensive damage to the tower's interior.

- 1940: During World War II, the bridge was damaged by German bombing raids.

- 1952: A barge collided with the bridge, causing significant damage to the bridge's structure.

- 1974: A ship collided with the bridge, causing significant damage to the bridge's structure.

- 2005: A mechanical failure caused the bridge to become stuck in the open position for several hours, disrupting traffic in the area.

Despite these problems, the Tower Bridge has undergone regular maintenance and repairs over the years, and it continues to be a popular tourist attraction and iconic landmark of London.