Pr 512 over Guayo River
Juana Díaz Municipio, Puerto Rico · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Pr 512 over Guayo River in Juana Díaz Municipio, Puerto Rico, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 2004, making it 21 years old at the 2025 inventory.
- It carries about 2,600 vehicles a day (traffic count year 2017).
- Its listed owner is the state highway agency.
- It is one of 42 of the 57 inventoried bridges in Juana Díaz Municipio rated fair (73.7%); 11 (19.3%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: deck 5 to 6.
- Its most recent inspection on record is dated October 2023, on a 24-month routine inspection cycle.
- 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 → (18.08128, -66.53693)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 6 | Satisfactory condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 163 ft |
| Location | 10 Km on West Juana Diaz |
| NBI structure number | 027451 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Puerto Rico department of transportation.
Busiest bridges in Juana Díaz Municipio
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Pr 52 Sout 94.6 Km over Farm Road | 1971 | 128,150 | Fair |
| Pr 52 over Unnamed Creek | 1970 | 56,300 | Fair |
| Pr 52 Southbound over Pr 535 | 1970 | 35,800 | Fair |
| Off Pr-149 62.2 Km over Las Brujas Creek | 2008 | 31,600 | Fair |
| Pr 52 Nor 94.6 Km over Farm Road | 1971 | 28,150 | Fair |
| Pr 52 Southbound over Descalabrado River | 1970 | 27,900 | Fair |
All bridges nearby: Juana Díaz Municipio, PR bridge conditions · every bridge in Juana Díaz Municipio · Puerto Rico bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.