Pr 9973 1.4 Km over Unknown Creek
Fair Condition54 years old4,200 vehicles/day
Location
| State | Puerto Rico |
| County | Naguabo Municipio |
| Location | 5 Miles N E Of Naguabo |
| Carries | Pr 9973 1.4 Km |
| Crosses | Unknown Creek |
| Coordinates | 18.24479, -65.70317 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 4 (Poor) |
| Culvert | 5 (Fair) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 29.2 ft (8.9 m) |
| Max Span | 13.8 ft (4.2 m) |
| Deck Width | 30.5 ft (9.3 m) |
| Deck Area | 82.8 sq m |
| Main Spans | 2 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 4,200 (2017) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 011961 |