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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
Wash Arizona Good 1936 90 1,046
Wash Arizona Good 1936 90 3,383
Wash Arizona Good 1936 90 3,383
Wash Arizona Good 1936 90 3,383
Grey Spot Wash Arizona Good 1936 90 3,383
Wash Arizona Good 1936 90 3,383
Wash Arizona Fair 1936 90 3,383
Wash Arizona Fair 1936 90 3,383
Wash Arizona Fair 1936 90 3,383
Wash Arizona Good 1936 90 3,383
Grey Wash Arizona Fair 1936 90 3,383
Wash Arizona Good 1936 90 25,800
Wash Arizona Good 1936 90 20,641
Wash Arizona Good 1936 90 17,650
Carr Canyon Arizona Good 1936 90 10,687
Wash Arizona Good 1936 90 17,763
Wash Arizona Good 1936 90 17,763
Wash Arizona Good 1936 90 17,763
Wash Arizona Fair 1936 90 17,763
Wash Arizona Good 1936 90 17,763
Wash Arizona Good 1936 90 17,763
Wash Arizona Fair 1936 90 8,855
Wash Arizona Fair 1936 90 8,855
Wash Arizona Good 1936 90 327
Wash Arizona Good 1936 90 327
Wash Arizona Fair 1936 90 327
Wash Arizona Good 1936 90 202
Wash Arizona Good 1936 90 202
Wash Arizona Good 1936 90 2,901
Long Canyon Arizona Good 1936 90 2,802
Nogales Wash Arizona Good 1936 90 8,069
Wash Arizona Fair 1936 90 4,769
Desert Wash Arizona Fair 1936 90 3,383
Fry Canyon Arizona Fair 1936 90 3,858
Wash Arizona Fair 1936 90 409
Wash Arizona Fair 1936 90 393
Wash Arizona Fair 1936 90 1,095
Wash Arizona Good 1936 90 409
Cave Creek Arizona Fair 1936 90 400
West Turkey Creek Arizona Fair 1936 90 100
West Turkey Creek Arizona Fair 1936 90 100
West Turkey Creek Arizona Fair 1936 90 65
Black Draw Arizona Fair 1936 90 100
Sycamore Creek Arizona Fair 1936 90 40
Pinal Creek Arizona Fair 1936 90 810
Pima Lateral Canal Arizona Fair 1936 90 48
Florence-Casa Gr Canal Arizona Fair 1936 90 1,861
Pine Creek Arizona Fair 1936 90 150
Hackberry Creek Arizona Good 1936 90 248
Blowout Wash Arizona Fair 1936 90 381

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.

All Bridges Poor Condition Scour Critical Bridge Stats