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 |
|---|---|---|---|---|---|
| _ | Puerto Rico | Fair | 1901 | 125 | 600 |
| CASEI RIVER | Puerto Rico | Fair | 1902 | 124 | 5,200 |
| TOYO CREEK | Puerto Rico | Fair | 1902 | 124 | 1,800 |
| MAVILLA RIVER | Puerto Rico | Fair | 1903 | 123 | 6,200 |
| LA CUCHILLA CREEK | Puerto Rico | Fair | 1905 | 121 | 11,800 |
| ARENAS RIVER | Puerto Rico | Fair | 1905 | 121 | 5,700 |
| GRANDE DE MANATI RIVER | Puerto Rico | Fair | 1905 | 121 | 2,000 |
| GRANDE DE CARITE RIVER | Puerto Rico | Poor | 1905 | 121 | 400 |
| BARRANQUITAS RIVER | Puerto Rico | Fair | 1908 | 118 | 11,900 |
| USABON RIVER | Puerto Rico | Poor | 1908 | 118 | 1,400 |
| MULA CREEK | Puerto Rico | Fair | 1908 | 118 | 6,000 |
| USABON RIVER | Puerto Rico | Fair | 1908 | 118 | 4,300 |
| CHANNEL | Puerto Rico | Poor | 1910 | 116 | 5,000 |
| BARRANQUITAS RIVER | Puerto Rico | Fair | 1911 | 115 | 5,000 |
| MACANA RIVER | Puerto Rico | Fair | 1912 | 114 | 8,400 |
| TIDAL WATERS CHANNEL | Puerto Rico | Poor | 1913 | 113 | 1,300 |
| ANONES CREEK | Puerto Rico | Fair | 1913 | 113 | 2,300 |
| TIDAL WATERS CHANNEL | Puerto Rico | Good | 1913 | 113 | 1,300 |
| MENDOZA CREEK | Puerto Rico | Fair | 1914 | 112 | 7,300 |
| MOROVIS RIVER | Puerto Rico | Poor | 1914 | 112 | 7,200 |
| MOROVIS RIVER | Puerto Rico | Poor | 1914 | 112 | 7,200 |
| GRANDE RIVER | Puerto Rico | Fair | 1915 | 111 | 7,200 |
| LA PUENTE CHANNEL | Puerto Rico | Fair | 1915 | 111 | 7,900 |
| PASTILLO RIVER | Puerto Rico | Poor | 1915 | 111 | 8,500 |
| PITAHAYA RIVER | Puerto Rico | Fair | 1916 | 110 | 4,000 |
| JUAN MARTIN RIVER | Puerto Rico | Fair | 1916 | 110 | 4,000 |
| LA BURRA CREEK | Puerto Rico | Fair | 1916 | 110 | 4,000 |
| GUATEMALA RIVER | Puerto Rico | Fair | 1917 | 109 | 14,200 |
| DEMAJAGUA RIVER | Puerto Rico | Poor | 1918 | 108 | 11,100 |
| EL CA¥O CREEK | Puerto Rico | Poor | 1918 | 108 | 3,300 |
| SANTIAGO RIVER | Puerto Rico | Poor | 1918 | 108 | 5,300 |
| CORTADORA CREEK | Puerto Rico | Fair | 1918 | 108 | 11,300 |
| INGENIO RIVER | Puerto Rico | Fair | 1918 | 108 | 8,600 |
| POLLALITO CREEK | Puerto Rico | Fair | 1918 | 108 | 8,800 |
| GUAYANES RIVER | Puerto Rico | Fair | 1918 | 108 | 11,100 |
| EL SALTO CREEK | Puerto Rico | Fair | 1918 | 108 | 2,200 |
| COROZAL RIVER | Puerto Rico | Fair | 1918 | 108 | 6,900 |
| BAYAMON RIVER | Puerto Rico | Fair | 1918 | 108 | 4,500 |
| SANTIAGO RIVER | Puerto Rico | Fair | 1918 | 108 | 4,923 |
| INABON RIVER | Puerto Rico | Fair | 1919 | 107 | 14,000 |
| SANTIAGO CHANNEL | Puerto Rico | Fair | 1919 | 107 | 6,600 |
| CULEBRINAS RIVER | Puerto Rico | Poor | 1919 | 107 | 7,200 |
| VACAS RIVER | Puerto Rico | Fair | 1919 | 107 | 5,100 |
| AGUACATE CREEK | Puerto Rico | Poor | 1920 | 106 | 8,800 |
| MARICAO RIVER | Puerto Rico | Fair | 1920 | 106 | 1,000 |
| BLANCO RIVER | Puerto Rico | Fair | 1920 | 106 | 700 |
| CANCEL CREEK | Puerto Rico | Poor | 1920 | 106 | 6,200 |
| NARANJITO CREEK | Puerto Rico | Fair | 1920 | 106 | 1,500 |
| GRANDE DE ARECIBO RIVER | Puerto Rico | Poor | 1920 | 106 | 1,600 |
| ADJUNTAS RIVER | Puerto Rico | Fair | 1920 | 106 | 1,300 |
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.