World's Largest Arch Bridge in Dubai by 2012

The latest on the list is the World's largest Arch Bridge. The mile-long bridge will be 670 feet tall at its highest point! And it’s gonna encompass 12 lanes of traffic with a metro line running down the center. Estimated to be able to carry over 2,000 vehicles per hour in each direction, this bridge will be built at a whopping cost of 817 million dollars!