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Pr 173 over Arenas Creek

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

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

Pr 173 over Arenas Creek in Guaynabo 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 superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1939 and reconstructed in 2012, making it 86 years old at the 2025 inventory.
It carries about 9,000 vehicles a day (traffic count year 2017).
Its listed owner is the state highway agency.
It is one of 40 of the 63 inventoried bridges in Guaynabo Municipio rated fair (63.5%); 6 (9.5%) 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

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

Bridge	Built	Vehicles/day	Condition
Pr 22 over Pr 165	1971	180,400	Fair
Pr 22 over Pr 28	1971	104,500	Poor
Pr 22 Westbound over Pr 2	1976	96,550	Fair
Pr 22 Easb 5.7 Km over Pr 2 5.0 Km	1976	96,550	Fair
Pr 20 1.2 Km over Pr 17 Pi%ero Ave 7.7 Km	1989	85,400	Fair
Pr 20 PR169 .25 Km over Frailes Creek	2012	85,400	Good