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Historic Bridges in Arizona

1,189 bridges built before 1951 in Arizona still in service today.

Bridges Built Before 1951

The United States has 1,189 bridges in Arizona 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
Arizona Canal Arizona Fair 1940 86 24,463
Arizona Canal Arizona Fair 1940 86 50,181
Arizona Canal Arizona Fair 1940 86 33,969
Ariz Crosscut Canal Arizona Fair 1940 86 13,662
Tempe Canal Arizona Fair 1940 86 30,539
Old Crosscut Canal Arizona Good 1940 86 30,155
Wash Arizona Good 1940 86 10,576
Wash Arizona Good 1940 86 4,710
Johnson Canyon Arizona Fair 1941 85 3,460
CA Bar Creek Arizona Fair 1941 85 1,781
Salome Wash Arizona Fair 1941 85 1,922
Trilby Wash WB Arizona Good 1941 85 6,400
Devils Canyon Arizona Fair 1941 85 8,079
SR B 10 Arizona Fair 1941 85 4,445
Wash Arizona Fair 1941 85 7,553
Wash Arizona Fair 1941 85 7,553
Wash Arizona Fair 1941 85 13,087
Wash Arizona Fair 1941 85 187,207
Wash Arizona Good 1941 85 187,207
Wash Arizona Good 1941 85 187,207
Wash Arizona Good 1941 85 187,207
Big Draw Arizona Fair 1941 85 14,112
Wash Arizona Good 1941 85 11,653
Willow Creek Arizona Fair 1941 85 45
Wash Arizona Fair 1941 85 582
Wash Arizona Good 1941 85 582
Wash Arizona Fair 1941 85 472
Mohawk Wash CBC Arizona Good 1941 85 472
Mescal Gulch Arizona Good 1941 85 3,530
Crevice Arizona Fair 1942 84 30
Pinal Creek Arizona Fair 1942 84 21,948
Niger Canyon Arizona Fair 1942 84 5,190
Rattlesnake Canyon Arizona Fair 1942 84 5,190
ATSF Railroad Arizona Fair 1942 84 7,686
Wash Arizona Good 1942 84 23,307
Wash Arizona Fair 1942 84 7,553
Bloody Tank Wash Arizona Fair 1942 84 8,079
Wash Arizona Fair 1942 84 3,659
Stevens Canyon Arizona Good 1942 84 2,129
Smith Canyon Arizona Good 1942 84 2,139
Wash Arizona Good 1942 84 2,129
Wood Canyon Arizona Good 1942 84 2,119
Wash Arizona Good 1942 84 1,400
Wash Arizona Fair 1942 84 1,400
Wash Arizona Fair 1942 84 1,378
Owl Canyon Arizona Good 1942 84 2,309
Owl Creek Arizona Good 1942 84 2,309
Wash Arizona Fair 1942 84 29,989
Wash Arizona Good 1942 84 14,216
Wash Arizona Good 1942 84 14,216

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.

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