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 |
|---|---|---|---|---|---|
| VIEJO RIVER | Puerto Rico | Fair | 1932 | 94 | 12,700 |
| BOQUERON CREEK | Puerto Rico | Fair | 1933 | 93 | 8,300 |
| PORTUGUES RIVER | Puerto Rico | Poor | 1933 | 93 | 8,800 |
| ARENAS CREEK | Puerto Rico | Fair | 1933 | 93 | 4,200 |
| CAGUITAS RIVER | Puerto Rico | Poor | 1934 | 92 | 1,000 |
| GRANDE CREEK | Puerto Rico | Fair | 1934 | 92 | 1,400 |
| TALLABOA RIVER | Puerto Rico | Poor | 1935 | 91 | 4,000 |
| LA PLATA RIVER | Puerto Rico | Poor | 1935 | 91 | 500 |
| GALLARDO CHANNEL | Puerto Rico | Poor | 1935 | 91 | 4,100 |
| SALTO GRANDE CREEK | Puerto Rico | Fair | 1935 | 91 | 1,100 |
| DEPRESSION | Puerto Rico | Fair | 1935 | 91 | 4,100 |
| DISCHARGE FROM PLANT | Puerto Rico | Fair | 1935 | 91 | 4,000 |
| UNKNOWN CREEK | Puerto Rico | Fair | 1935 | 91 | 200 |
| CREEK | Puerto Rico | Fair | 1935 | 91 | 200 |
| CREEK | Puerto Rico | Fair | 1935 | 91 | 1,100 |
| CREEK | Puerto Rico | Fair | 1935 | 91 | 1,100 |
| LAS CURÍAS CREEK | Puerto Rico | Poor | 1936 | 90 | 4,000 |
| SANA MUERTOS RIVER | Puerto Rico | Fair | 1936 | 90 | 2,200 |
| MAYAGUECILLA RIVER | Puerto Rico | Fair | 1937 | 89 | 1,400 |
| GONZALEZ CREEK | Puerto Rico | Fair | 1937 | 89 | 2,200 |
| CARICABOA RIVER | Puerto Rico | Poor | 1937 | 89 | 11,700 |
| CUBUY RIVER | Puerto Rico | Fair | 1937 | 89 | 1,000 |
| CERRO GORDO CREEK | Puerto Rico | Fair | 1937 | 89 | 1,400 |
| PELLEJAS RIVER | Puerto Rico | Poor | 1937 | 89 | 600 |
| PRIETA CREEK | Puerto Rico | Fair | 1937 | 89 | 7,900 |
| GUADIANA RIVER | Puerto Rico | Poor | 1937 | 89 | 2,000 |
| DEPRESSION | Puerto Rico | Fair | 1937 | 89 | 2,100 |
| SANTA CREEK | Puerto Rico | Fair | 1937 | 89 | 2,100 |
| PELLEJAS RIVER | Puerto Rico | Poor | 1937 | 89 | 600 |
| MARIN CREEK | Puerto Rico | Fair | 1938 | 88 | 600 |
| VACAS RIVER | Puerto Rico | Fair | 1938 | 88 | 800 |
| LOS POLLOS CREEK | Puerto Rico | Fair | 1938 | 88 | 200 |
| ABANDONED RAILROAD | Puerto Rico | Fair | 1939 | 87 | 9,800 |
| MARTIN PE¥A CHANNEL | Puerto Rico | Poor | 1939 | 87 | 28,800 |
| CERRO GORDO CREEK | Puerto Rico | Fair | 1939 | 87 | 3,600 |
| UNNAMED WATERWAY | Puerto Rico | Fair | 1939 | 87 | 3,600 |
| COLLORES CREEK | Puerto Rico | Fair | 1939 | 87 | 1,000 |
| DOMINGA CREEK | Puerto Rico | Fair | 1939 | 87 | 800 |
| JAUCA RIVER | Puerto Rico | Fair | 1939 | 87 | 800 |
| GUAYNABO RIVER | Puerto Rico | Fair | 1939 | 87 | 7,500 |
| ARENAS CREEK | Puerto Rico | Fair | 1939 | 87 | 9,000 |
| LAJAS CREEK | Puerto Rico | Fair | 1939 | 87 | 6,300 |
| EMAJAGUA CREEK | Puerto Rico | Fair | 1939 | 87 | 6,300 |
| HONDA CREEK | Puerto Rico | Fair | 1939 | 87 | 1,800 |
| HONDA CREEK | Puerto Rico | Fair | 1939 | 87 | 7,700 |
| SONADORA CREEK | Puerto Rico | Poor | 1939 | 87 | 100 |
| JOBA CREEK | Puerto Rico | Fair | 1939 | 87 | 1,400 |
| BLANCO RIVER | Puerto Rico | Fair | 1939 | 87 | 1,000 |
| EL SALTO CREEK | Puerto Rico | Fair | 1939 | 87 | 1,000 |
| DEPRESSION | Puerto Rico | Poor | 1939 | 87 | 1,000 |
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.