The bridge of the Constitution – perhaps the youngest bridge in Venice and one of the four that connect the banks of the Grand canal. It was built in 2008 year by the Spanish architect Santiago Calatrava and tied the train station of Venezia Santa Lucia to Piazzale Roma is the bus terminal. Popularly it is known as the Calatrava Bridge and the Fourth bridge, and its official name was in honor of the 60th anniversary of the adoption of the Italian Constitution.

The first project is the construction of a fourth bridge over the Grand canal was approved by the municipality of Venice in 1999, the year. At the same time for its development was invited Spaniard Calatrava, which provided for the construction of the arched bridge. Part of the design was created outside of Venice and was brought into the city on special barges. The Foundation of the bridge is made of concrete blocks, and the step – Istrian stone, typical of Venetian architecture. Glass parapets crowned with a bronze handrail with lighting. The length of the Bridge of the Constitution is almost 80 meters, the width varies from 9 to 4, 17, 7 meters, and the height of the arch is 7 metres.

At the stage of construction of the bridge has caused a wave of national criticism. First, residents were unhappy that the new bridge looks too modern and doesn't fit in a medieval Venetian architectural ensemble. The choice of location also seemed bad – very close to the Bridge of the Constitution is the Scalzi Bridge, the construction of which at the time also caused a lot of angry responses. Numerous protests and criticism of the society led to the fact that the authorities had to cancel the solemn inauguration of the bridge - it was opened without any ceremony.