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Pr 861 over La Plata River

Toa Alta Municipio, Puerto Rico · rated Poor in the 2025 National Bridge Inventory

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

Pr 861 over La Plata River in Toa Alta Municipio, Puerto Rico, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
It was built in 1979, making it 46 years old at the 2025 inventory.
It carries about 14,400 vehicles a day (traffic count year 2017).
Its listed owner is the state highway agency.
It is one of 3 of the 17 inventoried bridges in Toa Alta Municipio rated poor (17.6%); 3 (17.6%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 388 ft
Location	1 Km South of Toa Alta
NBI structure number	016571
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
Pr 165 11.6 Km over Lajas River	1978	31,700	Poor
Pr 861 5.0 Km over Bucarabones River	2004	21,000	Good
Pr-861 over Waterway	2012	21,000	Fair
PR 829 km 0.01 over Unknown Creek	2004	14,300	Good
Pr 819 over Bucarabones River	1970	10,700	Fair
Pr 824 0.7 Km over La Plata River	1951	8,700	Poor