Pr 623 over Tanana River

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

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

• Pr 623 over Tanana River in Arecibo 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 1970, making it 55 years old at the 2025 inventory.
• It carries about 1,501 vehicles a day (traffic count year 2010).
• Its listed owner is the state highway agency.
• It is one of 2 of the 54 inventoried bridges in Arecibo Municipio rated good (3.7%); 11 (20.4%) are rated poor.
• Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
• It does not appear under this structure number in the 2024 inventory (a new or renumbered structure).
• Its most recent inspection on record is dated August 2023, on a 24-month routine inspection cycle.
• It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
• It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
• 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.

View this bridge on a map → (18.38417, -66.72972)

Component ratings

Bridge details

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

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