Small Mistakes That Cost Millions To Fix

The Buckling Millennium Bridge – $6.6 million

At the turn of the millennium, the city of London wanted to mark the monumental occasion with a brand new bridge crossing the River Thames. Well, in June 2000, the Buckling Millennium Bridge was opened by inviting the Queen to walk across it.

The only problem? She had to turn back halfway through due to the bridge literally shaking. Due to poor planning, the bridge was shaking in the wind, forcing it to close. After $6.6 million of repairs, it was reopened a few years later.