Pr 9973 1.4 Km over Unknown Creek
Naguabo Municipio, Puerto Rico · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Pr 9973 1.4 Km over Unknown Creek in Naguabo Municipio, Puerto Rico, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1972, making it 53 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 37 of the 54 inventoried bridges in Naguabo Municipio rated fair (68.5%); 4 (7.4%) are rated poor.
- 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 → (18.24479, -65.70317)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 5 | Fair condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 29 ft |
| Location | 5 Miles N E of Naguabo |
| NBI structure number | 011961 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Puerto Rico department of transportation.
Busiest bridges in Naguabo Municipio
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Pr 53 over DIRT ROAD & CHANNEL | 1998 | 20,100 | Fair |
| Pr 53 over DIRT ROAD & CHANNEL | 1998 | 20,100 | Good |
| Pr 53 over Local Road | 1996 | 15,700 | Fair |
| Pr 53 W over BOTIJA CREEK & LOCAL | 1996 | 15,700 | Fair |
| Pr 53 14.0 Km over Local Road | 1996 | 15,700 | Fair |
| Pr 53 over PR 973 & PALMAS CREE | 1996 | 15,700 | Fair |
All bridges nearby: Naguabo Municipio, PR bridge conditions · every bridge in Naguabo Municipio · Puerto Rico bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.