Pr 512 6.3 Km over Guayo River
Juana Díaz Municipio, Puerto Rico · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Pr 512 6.3 Km over Guayo River in Juana Díaz Municipio, Puerto Rico, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 3 (serious condition) on the 0-9 scale.
- It was built in 1961, making it 64 years old at the 2025 inventory.
- It carries about 4,200 vehicles a day (traffic count year 2017).
- Its listed owner is the state highway agency.
- It is one of 11 of the 57 inventoried bridges in Juana Díaz Municipio rated poor (19.3%); 11 (19.3%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- It was rated fair in the 2024 inventory and is now poor (substructure 5 to 3).
- Its most recent inspection on record is dated March 2025, on a 6-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- 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 → (18.099, -66.54343)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 5 | 3 | Serious condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 98 ft |
| Location | 8.8 Km N W of Juana Diaz |
| NBI structure number | 008211 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | March 2025 |
| Inspection interval (item 91) | 6 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
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.