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 | 1941 | 85 | 5,531 |
| UNNAMED WATERWAY | New Mexico | Fair | 1941 | 85 | 5,139 |
| UNNAMED WATERWAY | New Mexico | Fair | 1941 | 85 | 4,297 |
| UNNAMED WATERWAY | New Mexico | Fair | 1941 | 85 | 4,297 |
| UNNAMED WATERWAY | New Mexico | Good | 1941 | 85 | 4,297 |
| UNNAMED WATERWAY | New Mexico | Fair | 1941 | 85 | 2,640 |
| UNNAMED WATERWAY | New Mexico | Fair | 1941 | 85 | 2,640 |
| SLAUGHTER CANYON | New Mexico | Fair | 1941 | 85 | 605 |
| UNNAMED WATERWAY | New Mexico | Fair | 1941 | 85 | 605 |
| UNNAMED WATERWAY | New Mexico | Fair | 1941 | 85 | 605 |
| SWINGLE CANYON | New Mexico | Good | 1941 | 85 | 605 |
| RITO CREEK | New Mexico | Good | 1941 | 85 | 1,367 |
| LARGO CREEK | New Mexico | Fair | 1941 | 85 | 1,038 |
| PECOS RIVER OVERFLOW | New Mexico | Good | 1941 | 85 | 3,945 |
| PECOS RIVER OVERFLOW | New Mexico | Good | 1941 | 85 | 3,945 |
| PECOS RIVER OVERFLOW | New Mexico | Good | 1941 | 85 | 3,945 |
| UNNAMED WATERWAY | New Mexico | Good | 1941 | 85 | 500 |
| UNNAMED WATERWAY | New Mexico | Fair | 1941 | 85 | 1,003 |
| UNNAMED WATERWAY | New Mexico | Fair | 1941 | 85 | 2,023 |
| UNNAMED WATERWAY | New Mexico | Fair | 1941 | 85 | 2,023 |
| UNNAMED WATERWAY | New Mexico | Fair | 1941 | 85 | 2,023 |
| LEASBURG CANAL | New Mexico | Good | 1941 | 85 | 1,079 |
| LEASBURG CANAL | New Mexico | Fair | 1941 | 85 | 353 |
| DRAINAGE DITCH | New Mexico | Fair | 1941 | 85 | 600 |
| DRAINAGE DITCH | New Mexico | Fair | 1941 | 85 | 600 |
| DRAINAGE DITCH | New Mexico | Good | 1941 | 85 | 600 |
| DRAINAGE DITCH | New Mexico | Good | 1941 | 85 | 600 |
| DRAINAGE DITCH | New Mexico | Good | 1941 | 85 | 600 |
| DRAINAGE DITCH | New Mexico | Good | 1941 | 85 | 600 |
| Drainage Ditch | New Mexico | Good | 1941 | 85 | 600 |
| Navajo Dam Spillway | New Mexico | Fair | 1942 | 84 | 800 |
| UNNAMED WATERWAY | New Mexico | Good | 1942 | 84 | 1,165 |
| UNNAMED WATERWAY | New Mexico | Good | 1942 | 84 | 1,165 |
| UNNAMED WATERWAY | New Mexico | Fair | 1942 | 84 | 1,165 |
| UNNAMED WATERWAY | New Mexico | Fair | 1942 | 84 | 1,165 |
| UNNAMED WATERWAY | New Mexico | Fair | 1942 | 84 | 1,165 |
| UNNAMED WATERWAY | New Mexico | Fair | 1942 | 84 | 531 |
| UNNAMED WATERWAY | New Mexico | Good | 1942 | 84 | 531 |
| UNNAMED WATERWAY | New Mexico | Good | 1942 | 84 | 531 |
| IRRIGATION CANAL | New Mexico | Good | 1942 | 84 | 116 |
| SPRING ARROYO | New Mexico | Good | 1942 | 84 | 116 |
| CROW CREEK | New Mexico | Fair | 1942 | 84 | 116 |
| CURTIS CREEK | New Mexico | Fair | 1942 | 84 | 116 |
| IRRIGATION CANAL | New Mexico | Fair | 1942 | 84 | 116 |
| UNNAMED WATERWAY | New Mexico | Fair | 1942 | 84 | 248 |
| UNNAMED WATERWAY | New Mexico | Fair | 1942 | 84 | 248 |
| SLASH DRAW | New Mexico | Good | 1942 | 84 | 605 |
| GRIGGS CANYON | New Mexico | Fair | 1942 | 84 | 191 |
| COYOTE CREEK | New Mexico | Fair | 1942 | 84 | 189 |
| POPE CANYON | New Mexico | Fair | 1943 | 83 | 307 |
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.