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Pr 409 over Guaba River

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

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

Pr 409 over Guaba River in Las Marías 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 deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1978, making it 47 years old at the 2025 inventory.
It carries about 500 vehicles a day (traffic count year 2017).
Its listed owner is the state highway agency.
It is one of 12 of the 13 inventoried bridges in Las Marías Municipio rated fair (92.3%); 0 (0.0%) 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 146 ft
Location	6 Km S E of Las Marias
NBI structure number	020981
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 119 50.7 Km over Arenas River	1905	5,700	Fair
Pr 119 over Casei River	1902	5,200	Fair
Pr 108 over Casei River	1958	2,600	Fair
Pr 119 48.1 Km over Rio Grande De A¥ASC	1994	2,400	Fair
Pr 119 59.1 Km over San Jose Creek	1975	2,200	Fair
Pr 124 over Guaba River	1949	1,600	Fair