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 |
|---|---|---|---|---|---|
| LA VEGA CREEK | Puerto Rico | Poor | 1940 | 86 | 10,300 |
| MUERTO CREEK | Puerto Rico | Fair | 1940 | 86 | 7,700 |
| JOSEFINA CREEK | Puerto Rico | Fair | 1940 | 86 | 2,000 |
| JUAN MENDEZ CREEK | Puerto Rico | Fair | 1940 | 86 | 3,000 |
| La Vega Creek | Puerto Rico | Poor | 1940 | 86 | 10,300 |
| GUATEMALA RIVER | Puerto Rico | Fair | 1940 | 86 | 14,200 |
| JACABOA RIVER | Puerto Rico | Poor | 1941 | 85 | 9,100 |
| CORCOVADA CREEK | Puerto Rico | Fair | 1941 | 85 | 3,600 |
| LOCO RIVER | Puerto Rico | Fair | 1941 | 85 | 500 |
| DE LOS PLATANOS CREEK | Puerto Rico | Fair | 1941 | 85 | 700 |
| COLLORES CREEK | Puerto Rico | Poor | 1941 | 85 | 1,000 |
| DEPRESSION | Puerto Rico | Fair | 1941 | 85 | 1,400 |
| GARCIA CREEK | Puerto Rico | Fair | 1941 | 85 | 3,500 |
| GRANDE RIVER | Puerto Rico | Fair | 1941 | 85 | 200 |
| ESPIRITU SANTO RIVER | Puerto Rico | Fair | 1941 | 85 | 100 |
| DEL NARANJO CREEK | Puerto Rico | Fair | 1941 | 85 | 600 |
| GRANDE DE CALVACHE CREEK | Puerto Rico | Fair | 1941 | 85 | 800 |
| HONDO RIVER | Puerto Rico | Fair | 1942 | 84 | 39,500 |
| HONDO RIVER | Puerto Rico | Good | 1942 | 84 | 49,400 |
| CAMUY RIVER | Puerto Rico | Fair | 1942 | 84 | 10,100 |
| PR 459 | Puerto Rico | Fair | 1942 | 84 | 16,500 |
| UNNAMED STREAM | Puerto Rico | Fair | 1942 | 84 | 100 |
| LA SIETE CREEK | Puerto Rico | Fair | 1942 | 84 | 600 |
| UNNAMED CREEK | Puerto Rico | Fair | 1942 | 84 | 600 |
| DEPRESSION | Puerto Rico | Fair | 1942 | 84 | 600 |
| UNNAMED CREEK | Puerto Rico | Fair | 1942 | 84 | 600 |
| GRANDE DE ARECIBO RIVER | Puerto Rico | Fair | 1942 | 84 | 1,300 |
| TOA VACA RIVER | Puerto Rico | Fair | 1942 | 84 | 1,400 |
| CRUZ CREEK | Puerto Rico | Fair | 1942 | 84 | 6,500 |
| JUAN MENDEZ CREEK | Puerto Rico | Fair | 1942 | 84 | 25,400 |
| SANTA CATALINA CREEK | Puerto Rico | Fair | 1943 | 83 | 55,551 |
| MALARIA CHANNEL | Puerto Rico | Poor | 1943 | 83 | 15,200 |
| CAONILLAS RIVER | Puerto Rico | Fair | 1943 | 83 | 200 |
| AIBONITO RIVER | Puerto Rico | Fair | 1943 | 83 | 7,600 |
| HONDO RIVER | Puerto Rico | Fair | 1943 | 83 | 300 |
| BUCHANNAN CHANNEL | Puerto Rico | Good | 1943 | 83 | 48,500 |
| BEATRIZ CREEK | Puerto Rico | Fair | 1944 | 82 | 13,900 |
| LA PLATA RIVER | Puerto Rico | Fair | 1944 | 82 | 21,300 |
| LA PLATA RIVER | Puerto Rico | Fair | 1944 | 82 | 21,300 |
| LARGA CREEK | Puerto Rico | Fair | 1944 | 82 | 4,700 |
| CULEBRINA RIVER | Puerto Rico | Fair | 1944 | 82 | 4,700 |
| SABANA RIVER | Puerto Rico | Poor | 1944 | 82 | 20,500 |
| HONDO RIVER | Puerto Rico | Fair | 1944 | 82 | 17,800 |
| BAYAMON RIVER | Puerto Rico | Poor | 1944 | 82 | 14,400 |
| MINILLAS RIVER | Puerto Rico | Fair | 1944 | 82 | 16,600 |
| PIEDRAS RIVER | Puerto Rico | Fair | 1944 | 82 | 28,300 |
| WATERWAY | Puerto Rico | Fair | 1945 | 81 | 25,000 |
| COCAL RIVER | Puerto Rico | Fair | 1945 | 81 | 700 |
| HOYO FRIO CREEK | Puerto Rico | Fair | 1945 | 81 | 400 |
| INGENIO RIVER | Puerto Rico | Fair | 1945 | 81 | 2,100 |
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.