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

10. China's Jiaozhou Bay Bridge

Situated in: Shandong, China Founded in 2011 Expense: $1.5 billion Known for its immense size and intricate design, the Jiaozhou Bay Bridge, situated in Shandong, China, is considered an engineering marvel. The world's longest sea bridge, is opened in 2011 and crosses Jiaozhou Bay over a staggering 42.5 kilometers. It connects the bustling port neighborhood of Huangdao with the city of Qingdao and is a vital transit link because to its six-lane roadway and designated pedestrian walkways.

China's Jiaozhou Bay Bridge ©4045/Shutterstock The Jiaozhou Bay Bridge, which cost $1.5 billion, has greatly lowered travel times and traffic, promoting regional economic development. Almost 450,000 tons of steel, or the weight of 72 Eiffel Towers, were needed to build the bridge, making it one of the biggest steel constructions ever constructed.