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
COLD SPRING CANYON New Mexico Fair 1908 118 191
GALLINAS RIVER New Mexico Fair 1909 117 6,684
PAJARITO ARROYO New Mexico Fair 1911 115 2,136
ARROYO HERMANOS New Mexico Fair 1911 115 1,548
LA MANTECA ARROYO New Mexico Fair 1912 114 205
Rio Grande River New Mexico Poor 1915 111 50
ARROYO DE LAS MASCARAS New Mexico Fair 1920 106 5,291
UNNAMED WATERWAY New Mexico Fair 1920 106 257
Rio Nutria New Mexico Fair 1920 106 337
IRRIGATION CANAL New Mexico Poor 1923 103 2,605
SAN JOSE ARROYO New Mexico Fair 1923 103 227
UNNAMED WATERWAY New Mexico Fair 1924 102 1,168
UNNAMED WATERWAY New Mexico Good 1925 101 16,131
WASH New Mexico Fair 1925 101 20
NASCHITTI WASH New Mexico Poor 1928 98 681
GREENHORN ARROYO New Mexico Poor 1928 98 297
ANIMAS RIVER New Mexico Poor 1929 97 6,361
TRUJILLO CANYON New Mexico Fair 1929 97 1,093
WORTHINGTON DITCH New Mexico Fair 1929 97 4,400
PERCHA CREEK New Mexico Fair 1929 97 297
TRES HERMANOS CREEK New Mexico Fair 1930 96 238
UNNAMED WATERWAY New Mexico Fair 1930 96 4,134
SPRING RIVER New Mexico Fair 1930 96 206
Abo Arroyo New Mexico Fair 1930 96 224
SPRING RIVER New Mexico Fair 1930 96 206
UNNAMED WATERWAY New Mexico Fair 1930 96 1,831
LEASBURG CANAL New Mexico Fair 1930 96 337
UNNAMED WATERWAY New Mexico Good 1930 96 35,797
UNNAMED WATERWAY New Mexico Good 1930 96 35,797
UNNAMED WATERWAY New Mexico Good 1930 96 1,524
MORA RIVER New Mexico Fair 1930 96 37
SPRING RIVER New Mexico Fair 1930 96 206
SPRING RIVER New Mexico Fair 1930 96 206
SPRING RIVER New Mexico Fair 1930 96 8,538
UNNAMED WATERWAY New Mexico Poor 1931 95 100
UNNAMED WATERWAY New Mexico Poor 1931 95 100
UNNAMED WATERWAY New Mexico Fair 1931 95 174
UNNAMED WATERWAY New Mexico Fair 1931 95 174
RYAN HILL CANYON New Mexico Fair 1931 95 174
UNNAMED WATERWAY New Mexico Poor 1931 95 174
UNNAMED WATERWAY New Mexico Fair 1931 95 40
UNNAMED WATERWAY New Mexico Fair 1931 95 40
UNNAMED WATERWAY New Mexico Fair 1931 95 40
SPIKEY ARROYO New Mexico Poor 1931 95 40
UNNAMED WATERWAY New Mexico Fair 1931 95 40
UNNAMED WATERWAY New Mexico Good 1931 95 6,011
UNNAMED WATERWAY New Mexico Fair 1931 95 1,179
UNNAMED WATERWAY New Mexico Fair 1931 95 4,337
UNNAMED WATERWAY New Mexico Fair 1931 95 1,165
UNNAMED WATERWAY New Mexico Fair 1931 95 1,165

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.