Historic Bridges in New Mexico
719 bridges built before 1951 in New Mexico still in service today.
Bridges Built Before 1951
The United States has 719 bridges in New Mexico 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 |
|---|---|---|---|---|---|
| UNNAMED WATERWAY | New Mexico | Fair | 1943 | 83 | 174 |
| SOUTH FORK PUERCO RIVER | New Mexico | Poor | 1943 | 83 | 5 |
| UNKNOWN CREEK | New Mexico | Poor | 1943 | 83 | 5 |
| UNKNOWN CREEK | New Mexico | Poor | 1943 | 83 | 5 |
| UNKNOWN CREEK | New Mexico | Poor | 1943 | 83 | 5 |
| UNKNOWN CREEK | New Mexico | Good | 1943 | 83 | 5 |
| UNKNOWN CREEK | New Mexico | Poor | 1943 | 83 | 5 |
| FENCED UP HORSE ARROYO | New Mexico | Poor | 1943 | 83 | 5 |
| FENCED UP HORSE ARROYO | New Mexico | Fair | 1943 | 83 | 5 |
| UNNAMED WATERWAY | New Mexico | Good | 1944 | 82 | 139 |
| Canon del Buey | New Mexico | Fair | 1944 | 82 | 340 |
| LAS CRUCES LATERAL | New Mexico | Fair | 1944 | 82 | 5,897 |
| Tige Canyon | New Mexico | Fair | 1945 | 81 | 66 |
| LEASBURG CANAL | New Mexico | Fair | 1945 | 81 | 312 |
| UNNAMED WATERWAY | New Mexico | Fair | 1945 | 81 | 206 |
| TAIBAN CREEK | New Mexico | Fair | 1945 | 81 | 256 |
| UNNAMED WATERWAY | New Mexico | Fair | 1946 | 80 | 192 |
| CANADA DE LOS ALAMOS | New Mexico | Fair | 1946 | 80 | 1,763 |
| UNNAMED WATERWAY | New Mexico | Fair | 1946 | 80 | 4,360 |
| UNNAMED WATERWAY | New Mexico | Fair | 1946 | 80 | 3,373 |
| ARROYO HONDO | New Mexico | Fair | 1946 | 80 | 8,278 |
| ARROYO CHAMISO | New Mexico | Fair | 1946 | 80 | 16,790 |
| UNNAMED WATERWAY | New Mexico | Fair | 1946 | 80 | 5,130 |
| UNNAMED WATERWAY | New Mexico | Fair | 1946 | 80 | 3,727 |
| UNNAMED WATERWAY | New Mexico | Fair | 1946 | 80 | 1,831 |
| UNNAMED WATERWAY | New Mexico | Good | 1946 | 80 | 1,831 |
| UNNAMED WATERWAY | New Mexico | Good | 1946 | 80 | 1,831 |
| UNNAMED WATERWAY | New Mexico | Fair | 1946 | 80 | 9,184 |
| UNNAMED WATERWAY | New Mexico | Fair | 1946 | 80 | 9,184 |
| RIO PUERCO | New Mexico | Fair | 1946 | 80 | 1,562 |
| UNNAMED WATERWAY | New Mexico | Fair | 1946 | 80 | 9,523 |
| UNNAMED WATERWAY | New Mexico | Good | 1947 | 79 | 167 |
| ARROYO HONDO | New Mexico | Fair | 1947 | 79 | 3,991 |
| UNNAMED WATERWAY | New Mexico | Good | 1947 | 79 | 7,405 |
| UNNAMED WATERWAY | New Mexico | Good | 1947 | 79 | 7,173 |
| UNNAMED WATERWAY | New Mexico | Good | 1947 | 79 | 7,357 |
| PECOS ARROYO | New Mexico | Fair | 1947 | 79 | 4,915 |
| UNNAMED WATERWAY | New Mexico | Fair | 1947 | 79 | 2,497 |
| UNNAMED WATERWAY | New Mexico | Fair | 1947 | 79 | 2,497 |
| UNNAMED WATERWAY | New Mexico | Fair | 1947 | 79 | 2,497 |
| UNNAMED WATERWAY | New Mexico | Fair | 1947 | 79 | 1,831 |
| UNNAMED WATERWAY | New Mexico | Fair | 1947 | 79 | 1,831 |
| UNNAMED WATERWAY | New Mexico | Good | 1947 | 79 | 1,831 |
| UNNAMED WATERWAY | New Mexico | Fair | 1947 | 79 | 1,831 |
| UNNAMED WATERWAY | New Mexico | Fair | 1947 | 79 | 2,241 |
| UNNAMED WATERWAY | New Mexico | Fair | 1947 | 79 | 2,241 |
| UNNAMED WATERWAY | New Mexico | Fair | 1947 | 79 | 2,241 |
| UNNAMED WATERWAY | New Mexico | Good | 1947 | 79 | 2,241 |
| UNNAMED WATERWAY | New Mexico | Fair | 1947 | 79 | 2,241 |
| UNNAMED WATERWAY | New Mexico | Fair | 1947 | 79 | 2,241 |
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.