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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 1939 87 16,802
Angel Canyon Arizona Fair 1939 87 18,530
Wash Arizona Fair 1939 87 18,530
Wash Arizona Good 1939 87 18,530
Wash Arizona Good 1939 87 18,530
Wash Arizona Good 1939 87 858
Wash Arizona Good 1939 87 550
Wash Arizona Good 1939 87 550
Wash Arizona Good 1939 87 110
Wash Arizona Good 1939 87 110
Wash Arizona Good 1939 87 500
Condes Wash Arizona Fair 1939 87 500
Mule Gulch Arizona Fair 1939 87 900
Wash Arizona Fair 1939 87 850
Dead Mule Wash Arizona Fair 1939 87 120
Pinal Creek Arizona Fair 1939 87 1,021
Union Canal Bridge 1 Arizona Fair 1939 87 200
Williamson Valley Wash Arizona Fair 1939 87 160
Wash Arizona Fair 1939 87 620
Greenbush Draw Arizona Fair 1939 87 500
Billingsley Wash Arizona Good 1939 87 450
Markham Wash Arizona Fair 1939 87 300
Union Canal Arizona Fair 1939 87 1,685
Union Canal Arizona Fair 1939 87 1,102
Union Canal Arizona Fair 1939 87 6,773
Wash Arizona Fair 1939 87 7,400
Central Avenue Arizona Fair 1939 87 5,535
Sandy Bob Wash Arizona Fair 1940 86 1,743
Wash Arizona Good 1940 86 4,769
Bitter Creek Arizona Fair 1940 86 2,339
Cottonwood Creek Arizona Fair 1940 86 1,781
Adams Peak Wash Arizona Fair 1940 86 21,121
California Wash Arizona Fair 1940 86 105
Canyon Diablo Arizona Fair 1940 86 11,735
LITTLE HELLS CANYON Arizona Fair 1940 86 50
Wash Arizona Good 1940 86 650
Kaywood Wash Arizona Fair 1940 86 1,562
Wash Arizona Good 1940 86 2,154
Greaser Wash Arizona Fair 1940 86 2,154
Wash Arizona Good 1940 86 6,885
Wash Arizona Fair 1940 86 1,605
Wash Arizona Good 1940 86 1,605
Wash Arizona Fair 1940 86 3,113
Wash Arizona Good 1940 86 2,829
Wash Arizona Good 1940 86 2,613
Wash Arizona Good 1940 86 2,829
Wash Arizona Good 1940 86 2,829
Wash Arizona Good 1940 86 2,829
Wash Arizona Good 1940 86 2,829
Wash Arizona Good 1940 86 2,828

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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