Pr 52 Southbound over Pr 177 8.4 Km
San Juan Municipio, Puerto Rico · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Pr 52 Southbound over Pr 177 8.4 Km in San Juan Municipio, Puerto Rico, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- It was built in 1979, making it 46 years old at the 2025 inventory.
- It carries about 76,650 vehicles a day (traffic count year 2017).
- 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 → (18.37062, -66.07034)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 4 | Poor condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 205 ft |
| Location | 2.1 Mi S W of Rio Piedras |
| NBI structure number | 012512 |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Puerto Rico department of transportation.
All bridges nearby: San Juan Municipio, PR bridge conditions · Puerto Rico bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.