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 |
|---|---|---|---|---|---|
| COCAL RIVER | Puerto Rico | Fair | 1945 | 81 | 19,900 |
| DE LOS CHINOS CREEK | Puerto Rico | Poor | 1945 | 81 | 5,800 |
| GUAYNABO RIVER | Puerto Rico | Poor | 1945 | 81 | 4,900 |
| DO¥A DOLORES CREEK | Puerto Rico | Fair | 1945 | 81 | 8,500 |
| PITAHAYA RIVER | Puerto Rico | Poor | 1945 | 81 | 4,400 |
| DAMIAN CREEK | Puerto Rico | Fair | 1945 | 81 | 4,500 |
| JIMENEZ CREEK | Puerto Rico | Fair | 1945 | 81 | 1,200 |
| GRANDE RIVER | Puerto Rico | Good | 1945 | 81 | 3,500 |
| UNNAMED CREEK | Puerto Rico | Fair | 1945 | 81 | 7,700 |
| CREEK | Puerto Rico | Fair | 1945 | 81 | 11,900 |
| SANTO DOMINGO CREEK | Puerto Rico | Fair | 1946 | 80 | 22,100 |
| SANTIAGO CHANNEL | Puerto Rico | Poor | 1946 | 80 | 7,100 |
| AGUAS LARGAS CREEK | Puerto Rico | Fair | 1946 | 80 | 15,500 |
| CUESTA ARRIBA RIVER | Puerto Rico | Fair | 1946 | 80 | 2,800 |
| LAS BAMBUAS CREEK | Puerto Rico | Fair | 1946 | 80 | 2,000 |
| BAIROA RIVER | Puerto Rico | Fair | 1947 | 79 | 33,100 |
| CIBUCO RIVER | Puerto Rico | Poor | 1947 | 79 | 21,700 |
| VALENCIANO RIVER | Puerto Rico | Fair | 1947 | 79 | 12,700 |
| CA%AS RIVER | Puerto Rico | Fair | 1947 | 79 | 6,500 |
| GRANDE DE ARECIBO RIVER | Puerto Rico | Poor | 1947 | 79 | 100 |
| VIVI RIVER | Puerto Rico | Fair | 1947 | 79 | 6,000 |
| CANOVANAS RIVER | Puerto Rico | Poor | 1947 | 79 | 4,400 |
| GRANDE DE ARECIBO RIVER | Puerto Rico | Fair | 1947 | 79 | 100 |
| CANOVANAS RIVER | Puerto Rico | Fair | 1947 | 79 | 3,972 |
| EL TORO CREEK | Puerto Rico | Fair | 1947 | 79 | 10 |
| SONADOR RIVER | Puerto Rico | Fair | 1948 | 78 | 5,200 |
| PORTUGUES RIVER | Puerto Rico | Fair | 1948 | 78 | 9,200 |
| Depression | Puerto Rico | Fair | 1948 | 78 | 600 |
| CAONILLAS DAM | Puerto Rico | Fair | 1948 | 78 | 600 |
| MARESUA CREEK | Puerto Rico | Fair | 1948 | 78 | 9,000 |
| CAIMITO RIVER | Puerto Rico | Fair | 1948 | 78 | 1,000 |
| COAMO RIVER | Puerto Rico | Fair | 1948 | 78 | 2,600 |
| DE CEDRO CREEK | Puerto Rico | Fair | 1948 | 78 | 6,400 |
| IRRIGATION CHANNEL | Puerto Rico | Fair | 1948 | 78 | 10,300 |
| PASTILLO RIVER | Puerto Rico | Fair | 1948 | 78 | 1,700 |
| TANAMA RIVER | Puerto Rico | Poor | 1948 | 78 | 4,700 |
| LA PLATA RIVER | Puerto Rico | Fair | 1949 | 77 | 14,900 |
| PRIETA CREEK | Puerto Rico | Fair | 1949 | 77 | 14,900 |
| LA SALUD CREEK | Puerto Rico | Fair | 1949 | 77 | 51,500 |
| SANTIAGO CHANNEL | Puerto Rico | Fair | 1949 | 77 | 12,000 |
| SANTIAGO RIVER | Puerto Rico | Fair | 1949 | 77 | 5,700 |
| LA VENTA RIVER | Puerto Rico | Fair | 1949 | 77 | 1,200 |
| GUAYABAL RIVER | Puerto Rico | Poor | 1949 | 77 | 17,400 |
| MERCADO CREEK | Puerto Rico | Fair | 1949 | 77 | 1,600 |
| BAYAMON RIVER | Puerto Rico | Fair | 1949 | 77 | 9,600 |
| CA¥AS RIVER | Puerto Rico | Fair | 1949 | 77 | 8,100 |
| AGUAS LARGAS CREEK | Puerto Rico | Fair | 1949 | 77 | 9,600 |
| CIBUCO RIVER | Puerto Rico | Fair | 1949 | 77 | 5,300 |
| GUABA RIVER | Puerto Rico | Fair | 1949 | 77 | 1,600 |
| CREEK | Puerto Rico | Fair | 1949 | 77 | 6,000 |
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.