Old Plata Bridge, Road bridge between Bayamón and Naranjito, Puerto Rico
The Old Plata Bridge is a road bridge spanning the Rio La Plata between Bayamón and Naranjito, featuring two steel truss spans resting on massive masonry supports. These supports rise prominently from the riverbed and form the structural foundation for the crossing.
The bridge was built in 1908 by the American Bridge Company to connect mountain towns with the coastal road network. It remained in service for over a century, becoming part of Puerto Rico's early infrastructure development.
The bridge represents the last remaining large multi-span truss bridge in Puerto Rico and received recognition on the National Register of Historic Places in 1995.
The bridge site is viewable from the Rio La Plata area and was historically an important crossing point between the two municipalities. Visitors can examine the structure today, though direct passage across it is no longer available.
The bridge construction formed part of Puerto Rico's first public works bond issue, which raised $1 million for infrastructure improvements in 1908.
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