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Pr 173 over La Plata River

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

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

Pr 173 over La Plata River in Aibonito 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 1998, making it 27 years old at the 2025 inventory.
It carries about 13,800 vehicles a day (traffic count year 2017).
Its listed owner is the state highway agency.
It is one of 2 of the 17 inventoried bridges in Aibonito Municipio rated good (11.8%); 5 (29.4%) 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 321 ft
Location	5 Km. NE of Aibonito
NBI structure number	025711
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 725 over Aibonito River	1940	12,400	Fair
Pr 725 4.2 Km over Aibonito River	1970	8,900	Poor
Off Pr 725 Km 2.6 over Rio Aibonito	2010	8,900	Poor
Pr 722 7.2 Km over Aibonito River	1943	7,600	Fair
Brisa Aibonito St over Unnamed Creek	1987	7,600	Fair
Pr 14 57.2 Km over Honda Creek	1891	6,400	Poor