Pr-66 over Dirt Road

Río Grande Municipio, Puerto Rico · rated Good in the 2025 National Bridge Inventory

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

Pr-66 over Dirt Road in Río Grande 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 8 (very good condition) on the 0-9 scale.
It was built in 2013, making it 12 years old at the 2025 inventory.
It carries about 22,863 vehicles a day (traffic count year 2007).
Its listed owner is the state highway agency.
It is one of 13 of the 48 inventoried bridges in Río Grande Municipio rated good (27.1%); 7 (14.6%) 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


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 78 ft
Location	PR-66 Km.17.50
NBI structure number	029902
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Pr 3 over Espiritu Santo River	1976	48,100	Fair
Pr 3 over Juan Gonzalez Creek	1976	48,100	Fair
Pr 3 25.5 Km over Grande River	1976	47,900	Fair
Pr 3 over Dirt Road	1978	37,000	Fair
Pr 3 30.7 Km over Cattle Pass	1978	37,000	Fair
Pr 3 21.45 Km over Angela Creek	1956	36,700	Fair