Off Pr 173 over Grande Creek

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

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

• Off Pr 173 over Grande Creek in Aibonito 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 substructure, rated 4 (poor condition) on the 0-9 scale.
• It was built in 1977, making it 48 years old at the 2025 inventory.
• It carries about 150 vehicles a day (traffic count year 2017).
• Its listed owner is a city or municipal highway agency.
• It is one of 5 of the 17 inventoried bridges in Aibonito Municipio rated poor (29.4%); 5 (29.4%) are rated poor.
• Its traffic status in the 2025 inventory is open, posting recommended but not legally implemented (NBI item 41).
• It was rated fair in the 2024 inventory and is now poor (substructure 6 to 4).
• Status change: reopened since 2024, when it was closed.
• Its most recent inspection on record is dated March 2025, on a 12-month routine inspection cycle.
• It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
• 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.

View this bridge on a map → (18.15738, -66.23618)

Component ratings

Bridge details

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

Busiest bridges in Aibonito Municipio

All bridges nearby: Aibonito Municipio, PR bridge conditions · every bridge in Aibonito Municipio · Puerto Rico bridges.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.