Blanco Bridge or Bridge 152 (Puente Blanco in Spanish) was built in 1924, on Puerto Rico Highway 10 at km 48.1 in Arenas, a barrio of Utuado in Puerto Rico.

The concrete bridge rises 33 feet over the Pellejas River between Adjuntas and Utuado.

The bridge met the requirements for its design and craftsmanship as well as for its significance to the historical period between 1924 - 1944 in Puerto Rico when coffee production was an important part of its economy.

The bridge helped improve exchange and communication between nearby communities working in coffee production.

This article about a property in Puerto Rico on the National Register of Historic Places is a stub.