Historic Bridges in Puerto Rico
463 bridges built before 1951 in Puerto Rico still in service today.
Bridges Built Before 1951
The United States has 463 bridges in Puerto Rico built before 1951 that remain in active service. These structures are 75+ years old — many predate modern engineering codes and were not designed for today's traffic volumes and vehicle weights. The average design life of a bridge is 50 years, making these aging structures a significant infrastructure concern.
| Bridge | State | Condition | Year Built | Age (Years) | ADT |
|---|---|---|---|---|---|
| JUAN MENDEZ CREEK | Puerto Rico | Fair | 1950 | 76 | 1,000 |
| BUENA VISTA CREEK | Puerto Rico | Fair | 1950 | 76 | 1,250 |
| BUENA VISTA CREEK | Puerto Rico | Fair | 1950 | 76 | 1,700 |
| BUENA VISTA CREEK | Puerto Rico | Fair | 1950 | 76 | 1,350 |
| JOSEFINA CREEK KM 0.1 | Puerto Rico | Fair | 1950 | 76 | 8,700 |
| BUENA VISTA CREEK | Puerto Rico | Fair | 1950 | 76 | 3,762 |
| JOSEFINA CREEK | Puerto Rico | Fair | 1950 | 76 | 2,000 |
| SANTO DOMINGO CREEK | Puerto Rico | Fair | 1950 | 76 | 1,300 |
| JOSEFINA CREEK | Puerto Rico | Fair | 1950 | 76 | 2,000 |
| CHANNEL | Puerto Rico | Fair | 1950 | 76 | 12,000 |
| GUAYNABO RIVER | Puerto Rico | Fair | 1950 | 76 | 2,000 |
| CREEK | Puerto Rico | Poor | 1950 | 76 | 720 |
| YAUCO RIVER | Puerto Rico | Good | 1950 | 76 | 100 |
About Historic Bridge Data
Bridges built before 1951 are classified as historic in this database. Many were designed to 1940s standards with lower load limits and narrower lanes. While FHWA requires regular inspections of all bridges regardless of age, older structures often require more frequent monitoring and rehabilitation investment.