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.

Clear
Bridge State Condition Year Built Age (Years) ADT
AGUA ZARCA New Mexico Good 1950 76 518
UNNAMED WATERWAY New Mexico Fair 1950 76 15,578
UNNAMED WATERWAY New Mexico Fair 1950 76 15,235
UNNAMED WATERWAY New Mexico Fair 1950 76 15,235
HANOVER CREEK New Mexico Fair 1950 76 1,354
UNNAMED WATERWAY New Mexico Fair 1950 76 819
UNNAMED WATERWAY New Mexico Good 1950 76 777
UNNAMED WATERWAY New Mexico Good 1950 76 1,947
Unnamed waterway New Mexico Good 1950 76 6,011
JENNIGAN DRAW New Mexico Good 1950 76 3,972
LITTLE DRY CREEK New Mexico Fair 1950 76 962
MORA RIVER New Mexico Fair 1950 76 81
RIO PENASCO New Mexico Fair 1950 76 206
UNNAMED WATERWAY New Mexico Fair 1950 76 337
UNNAMED WATERWAY New Mexico Fair 1950 76 338
UNNAMED WATERWAY New Mexico Fair 1950 76 4,337
UNNAMED WATERWAY New Mexico Fair 1950 76 42
ROCK SPRINGS CYN New Mexico Good 1950 76 40
GLORIETA WASH New Mexico Fair 1950 76 50

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.