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Pr 536 over Descalabrado River

Santa Isabel Municipio, Puerto Rico · rated Good in the 2025 National Bridge Inventory

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

Pr 536 over Descalabrado River in Santa Isabel Municipio, Puerto Rico, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1951, making it 74 years old at the 2025 inventory.
It carries about 2,657 vehicles a day (traffic count year 2007).
Its listed owner is the state highway agency.
It is one of 1 of the 13 inventoried bridges in Santa Isabel Municipio rated good (7.7%); 3 (23.1%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings

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 Pr 153	1971	41,200	Fair
Pr 52 Northbound over Dirt Road	1971	20,750	Fair
Pr 52 Southbound over Dirt Road	1971	20,750	Fair
Pr 52 Northbound over COAMO RIVER & PR 545	1972	20,600	Fair
Pr 52 Southbound over COAMO RIVER & PR 545	1972	20,600	Fair
Pr 52 Southbound over Pr 153	1971	19,100	Fair