Pr 971 2.0 Km over Santiago River

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

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

• Pr 971 2.0 Km over Santiago River in Naguabo 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 5 (fair condition) on the 0-9 scale.
• It was built in 1955, making it 70 years old at the 2025 inventory.
• It carries about 3,100 vehicles a day (traffic count year 2017).
• Its listed owner is the state highway agency.
• It is one of 37 of the 54 inventoried bridges in Naguabo Municipio rated fair (68.5%); 4 (7.4%) are rated poor.
• Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
• It was rated poor in the 2024 inventory and is now fair (substructure 4 to 6).
• Status change: its 2024 load posting has been removed.
• Its most recent inspection on record is dated December 2024, 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 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.

View this bridge on a map → (18.22282, -65.73091)

Component ratings

Bridge details

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

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