Puente de la Marina, San Lorenzo-Florida & Cerro Gordo Neighborhoods, spanning Rio Grande de Loiza River at Narciso Varona-Suarez Street, San Lorenzo, San Lorenzo Municipio, PR
Summary
Significance: Puente de la Marina is a very narrow, 11-span, 90.5m-long concrete slab bridge. The latter is a common bridge technology, used in Puerto Rico mainly between the 1920s and the 1940s, but which is still used in small structures. This technology was judges as not significant enough for inclusion in Puerto Rico's Historic Bridge Inventory, and this bridge was therefore not considered. However, Puente de la Marina is the longest existing concrete slab bridge and one of the first built in Puerto Rico. It was designed by Puerto Rico's most prolific bridge engineer to be a submersible structure across the upstream course of Puerto Rico's largest river. It has modest art deco-style facades, and was San Lorenzo's first highway bridge access to Las Piedras and eastern Puerto Rico. This structure has been judges as eligible for National Register listing by Puerto Rico's State Historic Preservation Office.
Survey number: HAER PR-38
Building/structure dates: 1918 Initial Construction
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