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 |
|---|---|---|---|---|---|
| Animas Creek | New Mexico | Fair | 1933 | 93 | 521 |
| UNNAMED WATERWAY | New Mexico | Fair | 1933 | 93 | 14,531 |
| UNNAMED WATERWAY | New Mexico | Fair | 1933 | 93 | 14,531 |
| UNNAMED WATERWAY | New Mexico | Fair | 1933 | 93 | 4,657 |
| UNNAMED WATERWAY | New Mexico | Fair | 1933 | 93 | 4,657 |
| UNNAMED WATERWAY | New Mexico | Fair | 1933 | 93 | 174 |
| UNNAMED WATERWAY | New Mexico | Fair | 1933 | 93 | 47,762 |
| UNNAMED WATERWAY | New Mexico | Fair | 1933 | 93 | 718 |
| UNNAMED WATERWAY | New Mexico | Fair | 1933 | 93 | 4,480 |
| ELLIS CANYON | New Mexico | Fair | 1933 | 93 | 4,480 |
| UNNAMED WATERWAY | New Mexico | Fair | 1933 | 93 | 1,907 |
| UNNAMED WATERWAY | New Mexico | Fair | 1933 | 93 | 1,907 |
| UNNAMED WATERWAY | New Mexico | Fair | 1933 | 93 | 1,907 |
| UNNAMED WATERWAY | New Mexico | Fair | 1933 | 93 | 1,907 |
| IRRIGATION CANAL | New Mexico | Fair | 1933 | 93 | 1,793 |
| UNNAMED WATERWAY | New Mexico | Fair | 1933 | 93 | 4,480 |
| UNNAMED WATERWAY | New Mexico | Good | 1933 | 93 | 12,630 |
| UNNAMED WATERWAY | New Mexico | Fair | 1933 | 93 | 166 |
| UNNAMED WATERWAY | New Mexico | Fair | 1933 | 93 | 52 |
| UNNAMED WATERWAY | New Mexico | Fair | 1933 | 93 | 52 |
| UNNAMED WATERWAY | New Mexico | Fair | 1933 | 93 | 57 |
| IRRIGATION CANAL | New Mexico | Good | 1933 | 93 | 4,253 |
| LEASBURG CANAL | New Mexico | Fair | 1933 | 93 | 6,863 |
| RATON CREEK | New Mexico | Fair | 1933 | 93 | 2,180 |
| UNNAMED WATERWAY | New Mexico | Good | 1933 | 93 | 4,705 |
| BNSF RAILROAD | New Mexico | Fair | 1934 | 92 | 405 |
| UNNAMED WATERWAY | New Mexico | Good | 1934 | 92 | 338 |
| UNNAMED WATERWAY | New Mexico | Fair | 1934 | 92 | 350 |
| UNNAMED WATERWAY | New Mexico | Good | 1934 | 92 | 350 |
| UNNAMED WATERWAY | New Mexico | Fair | 1934 | 92 | 11,139 |
| UNNAMED WATERWAY | New Mexico | Fair | 1934 | 92 | 5,219 |
| UNNAMED WATERWAY | New Mexico | Fair | 1934 | 92 | 23,689 |
| UNNAMED WATERWAY | New Mexico | Fair | 1934 | 92 | 23,689 |
| UNNAMED WATERWAY | New Mexico | Fair | 1934 | 92 | 23,689 |
| SAPELLO RIVER | New Mexico | Fair | 1934 | 92 | 205 |
| MORA RIVER | New Mexico | Fair | 1934 | 92 | 205 |
| UNNAMED WATERWAY | New Mexico | Good | 1934 | 92 | 139 |
| UNNAMED WATERWAY | New Mexico | Fair | 1934 | 92 | 52 |
| SANTA FE RIVER | New Mexico | Fair | 1934 | 92 | 1,371 |
| UNNAMED WATERWAY | New Mexico | Fair | 1934 | 92 | 136 |
| UNNAMED WATERWAY | New Mexico | Fair | 1934 | 92 | 136 |
| UNNAMED WATERWAY | New Mexico | Fair | 1934 | 92 | 136 |
| RIO CHIQUITO | New Mexico | Good | 1934 | 92 | 3,646 |
| BANANA RIDGE WASH | New Mexico | Fair | 1934 | 92 | 11,051 |
| UNNAMED WATERWAY | New Mexico | Good | 1935 | 91 | 443 |
| JUAN THOMAS CANYON | New Mexico | Fair | 1935 | 91 | 7,980 |
| UNNAMED WATERWAY | New Mexico | Good | 1935 | 91 | 951 |
| UNNAMED WATERWAY | New Mexico | Fair | 1935 | 91 | 919 |
| SANTA FE RIVER | New Mexico | Fair | 1935 | 91 | 319 |
| RIO PUERCO | New Mexico | Fair | 1935 | 91 | 1,524 |
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.