<Tr> <Th> Construction end </Th> <Td> 1591 </Td> </Tr> <Tr> <Td_colspan="2"> Rialto Bridge Location in Italy </Td> </Tr> <P> The Rialto Bridge (Italian: Ponte di Rialto; Venetian: Ponte de Rialto) is the oldest of the four bridges spanning the Grand Canal in Venice, Italy . Connecting the sestieri (districts) of San Marco and San Polo, it has been rebuilt several times since its first construction as a pontoon bridge in the 12th century, and is now a significant tourist attraction in the city . </P> <P> The first dry crossing of the Grand Canal was a pontoon bridge built in 1181 by Nicolò Barattieri . It was called the Ponte della Moneta, presumably because of the mint that stood near its eastern entrance . </P>

When was the rialto bridge in venice built