The Carmelo bridge is a swing bridge located over the Arroyo de las Vacas, near the city of Carmelo, Uruguay. Its turning mechanism is human-powered, which makes it the only one of its kind in Uruguay.

It is considered to be the first swing bridge in South America.

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At its inauguration on 1 May 1912 attended by national authorities as the senior officer of the Ministry of Public Works, Pedro C. Rodriguez, Senator Albin and deputies Joaquin C. Sanchez and Max Bélinzon, which came aboard the steamer Oyarvide.