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 | 1935 | 91 | 7,208 |
| UNNAMED WATERWAY | New Mexico | Fair | 1935 | 91 | 7,208 |
| UNNAMED WATERWAY | New Mexico | Fair | 1935 | 91 | 3,433 |
| LAS HUERTAS CREEK | New Mexico | Fair | 1935 | 91 | 83 |
| LAS HUERTAS CREEK | New Mexico | Fair | 1935 | 91 | 83 |
| RITO PENA NEGRAS | New Mexico | Fair | 1935 | 91 | 53 |
| RIO CEBOLLA | New Mexico | Fair | 1935 | 91 | 140 |
| JEMEZ CREEK | New Mexico | Fair | 1935 | 91 | 372 |
| LAS HUERTAS CREEK | New Mexico | Poor | 1935 | 91 | 83 |
| LAS HUERTAS CREEK | New Mexico | Fair | 1935 | 91 | 83 |
| LAS HUERTAS CREEK | New Mexico | Poor | 1935 | 91 | 83 |
| IRRIGATION CANAL | New Mexico | Fair | 1935 | 91 | 331 |
| ARROYO MIRANOA | New Mexico | Fair | 1935 | 91 | 27,539 |
| Alameda Drain | New Mexico | Fair | 1935 | 91 | 26,231 |
| RIO COSTILLA | New Mexico | Fair | 1935 | 91 | 250 |
| RIO GRANDE DE RANCHO | New Mexico | Fair | 1935 | 91 | 243 |
| COYOTE CREEK | New Mexico | Poor | 1935 | 91 | 166 |
| Sumner Dam Spillway | New Mexico | Fair | 1936 | 90 | 50 |
| CIMARRON RIVER | New Mexico | Good | 1936 | 90 | 146 |
| ARROYO DE LAS PALOMAS | New Mexico | Fair | 1936 | 90 | 139 |
| UNNAMED WATERWAY | New Mexico | Fair | 1936 | 90 | 139 |
| UNNAMED WATERWAY | New Mexico | Fair | 1936 | 90 | 139 |
| 1st St & NMRX | New Mexico | Fair | 1936 | 90 | 6,413 |
| UNNAMED WATERWAY | New Mexico | Fair | 1936 | 90 | 356 |
| RIO SAN JOSE | New Mexico | Poor | 1936 | 90 | 356 |
| RIO SAN JOSE | New Mexico | Fair | 1936 | 90 | 356 |
| SAN JUAN RIVER | New Mexico | Poor | 1936 | 90 | 16,829 |
| UNNAMED WATERWAY | New Mexico | Fair | 1936 | 90 | 524 |
| UNNAMED WATERWAY | New Mexico | Good | 1936 | 90 | 2,374 |
| NOGAL CANYON | New Mexico | Good | 1936 | 90 | 2,374 |
| WHITE OAKS CANYON | New Mexico | Fair | 1936 | 90 | 2,263 |
| UNNAMED WATERWAY | New Mexico | Fair | 1936 | 90 | 2,417 |
| UNNAMED WATERWAY | New Mexico | Good | 1936 | 90 | 139 |
| UNNAMED WATERWAY | New Mexico | Good | 1936 | 90 | 139 |
| UNNAMED WATERWAY | New Mexico | Good | 1936 | 90 | 139 |
| UNNAMED WATERWAY | New Mexico | Fair | 1936 | 90 | 2,797 |
| UNNAMED WATERWAY | New Mexico | Fair | 1936 | 90 | 6,367 |
| UNNAMED WATERWAY | New Mexico | Fair | 1936 | 90 | 2,401 |
| UNNAMED WATERWAY | New Mexico | Good | 1936 | 90 | 2,401 |
| UNNAMED WATERWAY | New Mexico | Fair | 1936 | 90 | 443 |
| UNNAMED WATERWAY | New Mexico | Fair | 1936 | 90 | 443 |
| BAKER ARROYO | New Mexico | Fair | 1936 | 90 | 15,364 |
| UNNAMED WATERWAY | New Mexico | Fair | 1936 | 90 | 3,698 |
| UNNAMED WATERWAY | New Mexico | Fair | 1936 | 90 | 407 |
| UNNAMED WATERWAY | New Mexico | Fair | 1936 | 90 | 407 |
| UNNAMED WATERWAY | New Mexico | Fair | 1936 | 90 | 407 |
| UNNAMED WATERWAY | New Mexico | Fair | 1936 | 90 | 419 |
| UNNAMED WATERWAY | New Mexico | Good | 1936 | 90 | 971 |
| UNNAMED WATERWAY | New Mexico | Fair | 1936 | 90 | 971 |
| UNNAMED WATERWAY | New Mexico | Fair | 1936 | 90 | 971 |
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.