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 |
|---|---|---|---|---|---|
| DEPRESSION | Puerto Rico | Fair | 1949 | 77 | 5,900 |
| DUEY RIVER | Puerto Rico | Fair | 1949 | 77 | 3,600 |
| INGENIO RIVER | Puerto Rico | Fair | 1949 | 77 | 500 |
| GRANDE DE MANATI RIVER | Puerto Rico | Fair | 1950 | 76 | 200 |
| EL CORAZON CREEK | Puerto Rico | Poor | 1950 | 76 | 6,300 |
| TURABO RIVER | Puerto Rico | Fair | 1950 | 76 | 2,200 |
| ANON CREEK | Puerto Rico | Poor | 1950 | 76 | 2,200 |
| YAUCO RIVER | Puerto Rico | Poor | 1950 | 76 | 100 |
| PITAHAYA RIVER | Puerto Rico | Fair | 1950 | 76 | 4,400 |
| PIEDRAS RIVER | Puerto Rico | Fair | 1950 | 76 | 14,850 |
| GUANAJIBO RIVER | Puerto Rico | Poor | 1950 | 76 | 6,400 |
| SALADA CREEK | Puerto Rico | Fair | 1950 | 76 | 12,000 |
| SALIENTE RIVER | Puerto Rico | Fair | 1950 | 76 | 3,900 |
| CERRO GORDO CREEK | Puerto Rico | Fair | 1950 | 76 | 44,500 |
| ARENAS CREEK | Puerto Rico | Fair | 1950 | 76 | 10,400 |
| JUAN MENDEZ CREEK KM 0.7 | Puerto Rico | Fair | 1950 | 76 | 13,800 |
| SERRANA CREEK | Puerto Rico | Fair | 1950 | 76 | 1,400 |
| LA PLATA RIVER | Puerto Rico | Fair | 1950 | 76 | 500 |
| SABANA RIVER | Puerto Rico | Fair | 1950 | 76 | 4,900 |
| SALADA CREEK | Puerto Rico | Fair | 1950 | 76 | 7,200 |
| MARACUTO CREEK | Puerto Rico | Fair | 1950 | 76 | 4,600 |
| GRANDE DE LOIZA RIVER | Puerto Rico | Poor | 1950 | 76 | 5,000 |
| BOQUERON RIVER | Puerto Rico | Fair | 1950 | 76 | 3,600 |
| JOSEFINA CREEK | Puerto Rico | Fair | 1950 | 76 | 42,500 |
| PIEDRAS RIVER | Puerto Rico | Fair | 1950 | 76 | 44,600 |
| LOS VAZQUEZ CREEK | Puerto Rico | Fair | 1950 | 76 | 600 |
| EMAJAGUA RIVER | Puerto Rico | Fair | 1950 | 76 | 1,400 |
| DEL APEADERO RIVER | Puerto Rico | Poor | 1950 | 76 | 400 |
| JUAN MARTIN RIVER | Puerto Rico | Fair | 1950 | 76 | 1,600 |
| HERRERAS RIVER | Puerto Rico | Fair | 1950 | 76 | 900 |
| UNNAMED CREEK | Puerto Rico | Fair | 1950 | 76 | 3,600 |
| EMAJAGUA RIVER | Puerto Rico | Fair | 1950 | 76 | 1,400 |
| WATERWAY | Puerto Rico | Fair | 1950 | 76 | 1,200 |
| UNNAMED CREEK | Puerto Rico | Fair | 1950 | 76 | 9,800 |
| WATERWAY | Puerto Rico | Fair | 1950 | 76 | 1,200 |
| CREEK | Puerto Rico | Fair | 1950 | 76 | 6,400 |
| EL CABRO CREEK | Puerto Rico | Fair | 1950 | 76 | 4,900 |
| ARROYATA CREEK | Puerto Rico | Fair | 1950 | 76 | 9,700 |
| CREEK | Puerto Rico | Poor | 1950 | 76 | 6,800 |
| LOCO RIVER | Puerto Rico | Fair | 1950 | 76 | 1,700 |
| CA¥ABONCITO RIVER | Puerto Rico | Fair | 1950 | 76 | 1,400 |
| CREEK | Puerto Rico | Fair | 1950 | 76 | 1,400 |
| FRANQUEZ CREEK | Puerto Rico | Fair | 1950 | 76 | 1,200 |
| INGENIO RIVER | Puerto Rico | Fair | 1950 | 76 | 100 |
| UNNAMED CREEK | Puerto Rico | Fair | 1950 | 76 | 7,700 |
| TORUNO CREEK | Puerto Rico | Fair | 1950 | 76 | 1,000 |
| CA¥O TIBURONES | Puerto Rico | Poor | 1950 | 76 | 3,300 |
| JOSEFINA CREEK | Puerto Rico | Fair | 1950 | 76 | 20,500 |
| DOÑA ANA CREEK | Puerto Rico | Fair | 1950 | 76 | 20,300 |
| WATERWAY | Puerto Rico | Fair | 1950 | 76 | 3,700 |
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.