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 |
|---|---|---|---|---|---|
| DESCALABRADO RIVER | Puerto Rico | Poor | 1921 | 105 | 11,200 |
| MADRE VIEJA CHANNEL | Puerto Rico | Fair | 1921 | 105 | 400 |
| SECA CREEK | Puerto Rico | Fair | 1921 | 105 | 3,000 |
| CAMARONES CREEK | Puerto Rico | Fair | 1921 | 105 | 16,200 |
| CARICOSA CREEK | Puerto Rico | Fair | 1921 | 105 | 2,600 |
| MARICAO RIVER | Puerto Rico | Fair | 1921 | 105 | 1,000 |
| GRANDE CREEK | Puerto Rico | Fair | 1921 | 105 | 4,800 |
| SONADOR RIVER | Puerto Rico | Fair | 1921 | 105 | 4,800 |
| INDIERA RIVER | Puerto Rico | Poor | 1921 | 105 | 500 |
| ACHIOTE CREEK | Puerto Rico | Fair | 1921 | 105 | 1,400 |
| CUESTA PASTO CREEK | Puerto Rico | Fair | 1921 | 105 | 2,000 |
| UNIBON RIVER | Puerto Rico | Fair | 1921 | 105 | 8,900 |
| CIBUCO RIVER | Puerto Rico | Fair | 1921 | 105 | 5,400 |
| GUAYANILLA RIVER | Puerto Rico | Fair | 1922 | 104 | 7,500 |
| ARENAS CREEK | Puerto Rico | Fair | 1922 | 104 | 3,400 |
| DEPRESSION | Puerto Rico | Fair | 1922 | 104 | 1,000 |
| LAJAS RIVER | Puerto Rico | Poor | 1922 | 104 | 300 |
| ANON CREEK | Puerto Rico | Poor | 1922 | 104 | 4,200 |
| DAGUAO RIVER | Puerto Rico | Fair | 1923 | 103 | 3,600 |
| PALMAS CREEK | Puerto Rico | Poor | 1923 | 103 | 3,700 |
| DOÑA JUANA CREEK | Puerto Rico | Fair | 1923 | 103 | 700 |
| PALMAS CREEK | Puerto Rico | Fair | 1923 | 103 | 3,700 |
| PELLEJAS RIVER | Puerto Rico | Fair | 1924 | 102 | 3,400 |
| PRIETO RIVER | Puerto Rico | Fair | 1924 | 102 | 300 |
| GUAYO RIVER | Puerto Rico | Fair | 1924 | 102 | 5,500 |
| DEPRESSION | Puerto Rico | Poor | 1924 | 102 | 1,200 |
| GUANABANA CREEK | Puerto Rico | Fair | 1924 | 102 | 18,500 |
| TORO NEGRO RIVER | Puerto Rico | Fair | 1924 | 102 | 700 |
| MUERE SOLO CREEK | Puerto Rico | Fair | 1924 | 102 | 5,500 |
| GUADIANA RIVER | Puerto Rico | Fair | 1924 | 102 | 3,300 |
| JANER CREEK | Puerto Rico | Fair | 1924 | 102 | 10,600 |
| CARRASCO CHANNEL | Puerto Rico | Fair | 1924 | 102 | 4,100 |
| ZEQUEIRA CHANNEL | Puerto Rico | Fair | 1924 | 102 | 4,100 |
| BOTIJAS RIVER | Puerto Rico | Poor | 1924 | 102 | 1,900 |
| GUAYABA RIVER | Puerto Rico | Fair | 1925 | 101 | 300 |
| MATADERO CREEK | Puerto Rico | Fair | 1925 | 101 | 28,500 |
| SALTO ARRIBA CREEK | Puerto Rico | Fair | 1925 | 101 | 4,800 |
| VIVI RIVER | Puerto Rico | Fair | 1925 | 101 | 4,800 |
| JAUCA RIVER | Puerto Rico | Poor | 1925 | 101 | 1,000 |
| MONTANA CREEK | Puerto Rico | Fair | 1925 | 101 | 1,000 |
| YUNES RIVER | Puerto Rico | Fair | 1925 | 101 | 1,200 |
| MAVILLA RIVER | Puerto Rico | Fair | 1925 | 101 | 4,200 |
| DEPRESSION SMALL STREAM | Puerto Rico | Fair | 1925 | 101 | 4,200 |
| CA%AS RIVER | Puerto Rico | Fair | 1925 | 101 | 10,900 |
| EL CHORRO CREEK | Puerto Rico | Poor | 1925 | 101 | 3,200 |
| LA JOYUELA CREEK | Puerto Rico | Poor | 1925 | 101 | 3,200 |
| HATO QUEMADO CREEK | Puerto Rico | Fair | 1925 | 101 | 1,700 |
| INFIERNO CREEK | Puerto Rico | Fair | 1925 | 101 | 13,400 |
| HATO CREEK | Puerto Rico | Fair | 1925 | 101 | 10,000 |
| PORTUGUES RIVER | Puerto Rico | Fair | 1925 | 101 | 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.