Bridging the Gap with Billions: The World's Most Expensive Bridge Endeavors
1. Portugal's Ponte Dom Luis I
Located in Porto, Portugal, the iconic double-decker iron bridge was completed in 1886 at an estimated cost of $2 million. This architectural marvel spans the Douro River, connecting the historic neighborhoods of Vila Nova de Gaia and Porto.
Designed by the renowned Belgian engineer Théophile Seyrig, the bridge features two distinct levels: one dedicated to vehicular traffic and the other for pedestrians and trams. Both levels offer breathtaking views of the river and the picturesque city skyline, making it a popular spot for both locals and tourists.
Known as "The Double-Decker," Portugal's Dom Luís I Bridge ©Deensel - Dom Luís I Bridge / Commonswikipedia has become a symbol of Porto's metropolitan charm and rich cultural heritage. When it was completed, the Ponte Dom Luís I held the title of the longest iron arch bridge in the world, showcasing Portugal's advancements in technology and engineering during the Industrial Revolution.
This iconic structure not only serves as a vital connection between the cities of Porto and Vila Nova de Gaia but also stands as a testament to the innovative spirit of its time. Its impressive design and historical significance continue to attract visitors from around the globe.
