Puente de las Calabazas is a single-span lattice girder bridge near Coamo, Puerto Rico on the Carreterra Central that dates from 1882. It was designed by Ricardo Camprubi and was fabricated by Eugen Rollin and Co., a Belgian firm that exported via Spain from Braine le Comte, Belgium. Prolific engineer Camprubí designed several single span lattice bridges in Puerto Rico. He also designed the first two-span lattice girder bridge in Puerto Rico, the Padre Inigo Bridge, which is also NRHP-listed. All of these were part of the Carretera Central.