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Pr 52 Northbound over Nigua River

Salinas Municipio, Puerto Rico · rated Fair in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Pr 52 Northbound over Nigua River in Salinas Municipio, Puerto Rico, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1971 and reconstructed in 1992, making it 54 years old at the 2025 inventory.
It carries about 37,800 vehicles a day (traffic count year 2017).
It is one of 31 of the 40 inventoried bridges in Salinas Municipio rated fair (77.5%); 9 (22.5%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 328 ft
Location	0.5 Km North of Salinas
NBI structure number	012272
Condition class	Fair

Source: FHWA National Bridge Inventory, 2025 data as reported by the Puerto Rico department of transportation.

Bridge	Built	Vehicles/day	Condition
Pr 52 Northbound over Local Access Road	1971	37,800	Fair
Pr 52 Northbound over Pr 1	1972	37,800	Fair
Pr 52 Northbound over Bridge 1241	1972	34,900	Fair
Pr 52 Soub 60.3 Km over Local Road	1972	34,900	Fair
Pr 52 Southbound over PR 714 & LA PALMA CR	1974	20,600	Poor
Pr 1 over Arenales Channel	1940	20,300	Fair