Bridging the Gap with Billions: The World's Most Expensive Bridge Endeavors

8. USA's Hoover Dam Bridge

Situated in: USA, Arizona/Nevada Founded in 2010 Expense: $240 million Formally called the Mike O'Callaghan–Pat Tillman Memorial Bridge, the Hoover Dam Bridge spans the Colorado River between Arizona and Nevada, USA, and is a wonder of contemporary engineering. Having been inaugurated in 2010, this bridge is among the world's tallest concrete arch bridges, measuring 579 meters in length and rising 271 meters above the river.

USA's Hoover Dam Bridge ©Wikimedia Commons/Mariordo Built for $240 million, it is a vital transit link that avoids the crowded Hoover Dam region and offers visitors a quicker and more direct path between the two states. The Hoover Dam Bridge's structural integrity and driver safety were guaranteed by its design, which made it resistant to earthquakes and strong winds.