The arch is decorated with two leaning angels on each side and is flanked by four Doric columns (two on each side). On each side, between two Doric columns, there is a full-length statue enclosed in a niche, surmounted by a frieze and a pediment. Above the arch and the statues, is a frieze depicting shields alternating with bull heads decorated with floral garlands. Above the frieze, a cornice is decorated with cartouche hold by two putti and on each side a low-relief with a mythological scene.

Antonio Visentini (Venice, 21 Nov 1688 – Venice, 26 June 1782) was an Italian painter, engraver, architect and theorist. He was first known as a painter and trained with the Venetian history painter Giovanni Antonio Pellegrini (1675-1741). He became known as an engraver by the end of the 1720s when he was commissioned by Joseph Smith to produce engravings of Canaletto’s views of Venice. Visentini started working as an architect in 1731, and his first theoretical work, Libro di Architettura, which included Rococo-influenced drawings by Pier Antonio Morelli after Visentini’s ideas, was published in 1733.

His ideas on contemporary architecture derived from Antiquity and the work of Andrea Palladio (1508-80). Later however, Visentini developed neo-Palladian and anti-Baroque ideas. Visentini and his pupils executed numerous drawings of ancient and contemporary buildings intended to disseminate exemplary architecture. He participated to the foundation of the Venetian Academy in 1755, where he became a teacher of architectural perspective in 1772.