The Ponte Dom Luís I is a true icon of the city of Porto and a marvel of 19th century engineering. The Dom Luís I Bridge spans the River Douro between Porto on the north bank and Vila Nova de Gaia on the south bank.

The Arrábida Bridge is an arch bridge that crosses the Douro River, connecting Porto and Vila Nova de Gaia. It was built in 1963 as a response to the increasing flow of traffic and the need for alternative connections to the old bridges. At the time of its construction, the bridge had the largest reinforced concrete arch of any bridge in the world.

The São João Bridge was built to replace the D. Maria Pia Bridge, another iconic bridge in Porto. The São João Bridge has become an iconic landmark in the Porto skyline and an important transportation link between Porto and Vila Nova de Gaia. Interestingly, during the construction of the bridge, archaeologists discovered the remains of a Roman road and a medieval shipyard on the site, providing valuable information about the history of the area.

The Freixo Bridge was inaugurated in September 1995 is a road bridge that connects Vila Nova de Gaia to Porto, over the Douro River. Of all the bridges connecting Porto to Vila Nova de Gaia, the Ponte do Freixo is the one that is furthest upstream from the Douro River.

The Infante Dom Henrique Bridge, also known as the Infante Bridge, is a road bridge connecting Vila Nova de Gaia to Porto, over the Douro River, in Portugal. Named in honor of Infante Dom Henrique (He was the main promoter of the Portuguese expansion, the so-called ''Portuguese Discoveries''), he was born in Porto, it is the newest bridge connecting Porto and Gaia.