Pr 623 5.1 Km over Tanana River
Arecibo Municipio, Puerto Rico · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Pr 623 5.1 Km over Tanana River in Arecibo Municipio, Puerto Rico, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 0 (failed condition, out of service) on the 0-9 scale.
- It was built in 1970, making it 55 years old at the 2025 inventory.
- It carries about 200 vehicles a day (traffic count year 2017).
- Its listed owner is the state highway agency.
- It is one of 11 of the 54 inventoried bridges in Arecibo Municipio rated poor (20.4%); 11 (20.4%) are rated poor.
- Its traffic status in the 2025 inventory is open, temporary structure in place to carry legal loads while the original structure is closed awaiting replacement or rehabilitation (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- 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 = 0): scour critical: bridge has failed and is closed to traffic.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (18.38417, -66.72944)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 0 | 0 | Failed condition, out of service |
| Superstructure | 0 | 0 | Failed condition, out of service |
| Substructure | 0 | 0 | Failed condition, out of service |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 95 ft |
| Location | 9 Km South of Arecibo |
| NBI structure number | 011991 |
| Condition class | Poor |
| Traffic status (item 41) | Open, temporary structure in place to carry legal loads while the original structure is closed awaiting replacement or rehabilitation |
| Last inspection (item 90) | August 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 0: scour critical: bridge has failed and is closed to traffic |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Puerto Rico department of transportation.
Busiest bridges in Arecibo Municipio
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Pr 22 Westbound over Local Road | 1972 | 46,000 | Fair |
| Pr 22 over Local Road | 1992 | 43,800 | Fair |
| Pr 22 over Local Road | 1992 | 43,800 | Fair |
| Pr 2 72.8 Km over Dirt Road | 1940 | 29,500 | Fair |
| Pr 22 Westbound over Pr 10 | 1980 | 28,300 | Fair |
| Pr 22 Westbound over SANTIAGO RIVER & L R | 1980 | 28,300 | Fair |
All bridges nearby: Arecibo Municipio, PR bridge conditions · every bridge in Arecibo Municipio · Puerto Rico bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.