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 |
|---|---|---|---|---|---|
| GRANDE CREEK | Puerto Rico | Fair | 1925 | 101 | 1,100 |
| RIACHUELO RIVER | Puerto Rico | Fair | 1925 | 101 | 200 |
| VIVI RIVER | Puerto Rico | Fair | 1925 | 101 | 500 |
| NUEVO RIVER | Puerto Rico | Fair | 1925 | 101 | 13,400 |
| GUAMANI RIVER | Puerto Rico | Fair | 1925 | 101 | 3,800 |
| GUAMANI RIVER | Puerto Rico | Fair | 1925 | 101 | 2,800 |
| DEPRESSION | Puerto Rico | Fair | 1926 | 100 | 500 |
| LAPA RIVER | Puerto Rico | Poor | 1926 | 100 | 3,900 |
| CANDELERO RIVER | Puerto Rico | Fair | 1926 | 100 | 7,100 |
| LA MINA CREEK | Puerto Rico | Fair | 1926 | 100 | 12,200 |
| DEPRESION | Puerto Rico | Poor | 1926 | 100 | 1,200 |
| RIACHUELO CREEK | Puerto Rico | Poor | 1926 | 100 | 1,000 |
| CREEK | Puerto Rico | Fair | 1926 | 100 | 200 |
| RALAT CREEK | Puerto Rico | Fair | 1926 | 100 | 200 |
| MULA CREEK | Puerto Rico | Fair | 1926 | 100 | 3,900 |
| BLANCA CREEK | Puerto Rico | Fair | 1926 | 100 | 7,900 |
| MATON RIVER | Puerto Rico | Fair | 1927 | 99 | 10,100 |
| MATON RIVER | Puerto Rico | Poor | 1927 | 99 | 8,300 |
| ESPINO CREEK | Puerto Rico | Fair | 1927 | 99 | 2,500 |
| HUMATA RIVER | Puerto Rico | Fair | 1927 | 99 | 2,500 |
| CERCADA CREEK | Puerto Rico | Poor | 1927 | 99 | 3,600 |
| CAMUY RIVER | Puerto Rico | Fair | 1927 | 99 | 2,400 |
| CRIMINALES RIVER | Puerto Rico | Fair | 1927 | 99 | 2,400 |
| HOCONUCO RIVER | Puerto Rico | Poor | 1927 | 99 | 3,600 |
| CINTRON CREEK | Puerto Rico | Fair | 1927 | 99 | 200 |
| OROCOVIS RIVER | Puerto Rico | Fair | 1927 | 99 | 2,600 |
| SALVA TIERRA CREEK | Puerto Rico | Fair | 1927 | 99 | 2,600 |
| CASTAÑON CHANNEL | Puerto Rico | Poor | 1927 | 99 | 5,200 |
| AMARGURA CREEK | Puerto Rico | Fair | 1927 | 99 | 3,300 |
| CATAÑO CREEK | Puerto Rico | Fair | 1928 | 98 | 14,700 |
| GURABO RIVER | Puerto Rico | Poor | 1928 | 98 | 12,200 |
| CULEBRINAS RIVER | Puerto Rico | Poor | 1928 | 98 | 4,100 |
| ARENAS CREEK | Puerto Rico | Fair | 1929 | 97 | 4,900 |
| JUAN ORRACA CREEK | Puerto Rico | Fair | 1929 | 97 | 8,300 |
| DE LOS MUERTOS CREEK | Puerto Rico | Fair | 1929 | 97 | 11,500 |
| MIRAFLORES CREEK | Puerto Rico | Fair | 1929 | 97 | 3,600 |
| TANAMA RIVER | Puerto Rico | Fair | 1929 | 97 | 4,500 |
| NUEVE PASOS RIVER | Puerto Rico | Fair | 1929 | 97 | 5,800 |
| BAYAMON CREEK | Puerto Rico | Fair | 1929 | 97 | 3,900 |
| JACANA CREEK | Puerto Rico | Fair | 1929 | 97 | 3,900 |
| MAUNABO RIVER | Puerto Rico | Fair | 1930 | 96 | 4,900 |
| ARROYATA RIVER | Puerto Rico | Fair | 1930 | 96 | 7,000 |
| WATERWAY | Puerto Rico | Fair | 1930 | 96 | 2,600 |
| ISABELA IRRIGATION CHAN. | Puerto Rico | Poor | 1930 | 96 | 800 |
| CA¥ABONCITO RIVER | Puerto Rico | Poor | 1930 | 96 | 7,800 |
| WATERWAY | Puerto Rico | Fair | 1930 | 96 | 10,300 |
| CREEK | Puerto Rico | Poor | 1930 | 96 | 10,300 |
| CREEK | Puerto Rico | Fair | 1930 | 96 | 200 |
| CREEK | Puerto Rico | Poor | 1930 | 96 | 600 |
| SMALL STREAM | Puerto Rico | Fair | 1931 | 95 | 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.