Pr 186 over Grande River
Río Grande Municipio, Puerto Rico · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Pr 186 over Grande River in Río Grande 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 1941 and reconstructed in 1960, making it 84 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 28 of the 48 inventoried bridges in Río Grande Municipio rated fair (58.3%); 7 (14.6%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated March 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 → (18.37659, -65.8216)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete slab |
| Length | about 72 ft |
| Location | 10 Km South of Int Pr 3 |
| NBI structure number | 004461 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | March 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 Río Grande Municipio
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Pr 3 over Espiritu Santo River | 1976 | 48,100 | Fair |
| Pr 3 over Juan Gonzalez Creek | 1976 | 48,100 | Fair |
| Pr 3 25.5 Km over Grande River | 1976 | 47,900 | Fair |
| Pr 3 over Dirt Road | 1978 | 37,000 | Fair |
| Pr 3 30.7 Km over Cattle Pass | 1978 | 37,000 | Fair |
| Pr 3 21.45 Km over Angela Creek | 1956 | 36,700 | Fair |
All bridges nearby: Río Grande Municipio, PR bridge conditions · every bridge in Río Grande Municipio · Puerto Rico bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.