Rialto Bridge also called the Ponte di Rialto, is an iconic bridge which is one of the four bridges that cross the Grand Canal and into the separator between the district of San Marco and San Palo. Rialto Bridge was completed in 1591 and is still the most vital bridge in Venice today. The bridge is made of stone with a width of 22.9 meters, and a length of 22.8 meters. The surface of the Rialto bridge mostly in the form of stairs. Rialto Bridge is unique because of its curved and closed. The Rialto Bridge is the oldest bridge in Venice. It is one of the must visit when you are in Venice for the ambiance around this bridge is very romantic.