Bridge of Sighs a translation from the Italian "Ponte dei sospiri" in the 19th century, comes from the suggestion that prisoners would sigh at their final view of beautiful Venice through the window before being taken down to their cells. In reality, the days of inquisitions and summary executions were over by the time the bridge was built, and the cells under the palace roof were occupied mostly by small-time criminals. In addition, little could be seen from inside the bridge due to the stone grills covering the windows. The name "Bridge of Sighs" has since been applied by association to other bridges
Green's Bridge Bridge. In Kilkenny, Smith also designed the replacement for John's Bridge. For Green's Bridge, Smith designed an almost-exact copy of "Bridge of Tiberius" () in Rimini, Italy, as described by Andrea Palladio's (1508–1580) in I Quattro Libri dell'Architettura (1570) (The Four Books of Architecture). Smith's design, which was built with rubble limestone, incorporated five elliptical arches with cut-limestone Gibbs surrounds and dressed squared limestone soffits. With three central arches and two smaller arches it is decorated with pedimented aedicules and doric columns. It has tooled limestone ashlar triangular cut-waters. In 1835, the bridge was renovated with two random rubble limestone