8 Most Famous Bridges In The World

6. Ponte de Dom Luís I (Porto, Portugal) – 1886

The Ponte de Dom Luís I is a double-deck iron bridge in Porto, Portugal, that was inaugurated in 1886. Its length is 385 meters, and the structure stands over the Douro River to facilitate travel and trade between Porto and Vila Nova de Gaia, which was previously hampered by the river’s strong currents.