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 1946 80 2,911
Wash Arizona Good 1946 80 2,911
Wash Arizona Good 1946 80 2,911
Wash Arizona Good 1946 80 2,860
Wash Arizona Good 1946 80 2,860
Wash Arizona Good 1946 80 2,860
Wash Arizona Good 1946 80 2,860
Wash Arizona Good 1946 80 2,497
Willow Spring Arizona Good 1946 80 2,860
Owl Canyon Arizona Good 1946 80 2,860
WA Canyon Arizona Good 1946 80 2,497
Wash Arizona Good 1946 80 2,860
Wash Arizona Good 1946 80 2,860
Wash Arizona Good 1946 80 2,860
Arizona Canal Arizona Fair 1946 80 14,337
Grand Canal Arizona Fair 1946 80 21,784
Grand Canal Arizona Fair 1946 80 36,266
Arizona Canal Arizona Good 1946 80 41,491
Barney Flats Arizona Fair 1946 80 420
Lockett Springs Arizona Fair 1946 80 420
Arizona Canal Arizona Fair 1946 80 13,080
Reymert wash Arizona Fair 1947 79 5,650
Monk Draw Arizona Fair 1947 79 1,240
Arizona Canal Arizona Fair 1947 79 205,563
Wash Arizona Fair 1947 79 16,950
Wash Arizona Fair 1947 79 10,693
Wash Arizona Fair 1947 79 10,693
Wash Arizona Fair 1947 79 10,693
Wash Arizona Good 1947 79 4,897
Wash Arizona Good 1947 79 5,144
Wash Arizona Fair 1947 79 5,144
Cienega Creek Arizona Fair 1947 79 2,126
Wash Arizona Good 1947 79 2,126
Wash Arizona Fair 1947 79 2,116
Dead Cow Wash Arizona Fair 1947 79 2,126
Wash Arizona Good 1947 79 2,126
Wash Arizona Good 1947 79 2,126
Wash Arizona Good 1947 79 2,126
Wash Arizona Good 1947 79 2,126
Wash Arizona Good 1947 79 2,126
Wash Arizona Good 1947 79 2,815
Wash Arizona Good 1947 79 2,815
San Vicente Wash Arizona Good 1947 79 2,785
Wash Arizona Good 1947 79 2,785
Wash Arizona Good 1947 79 2,785
Wash Arizona Good 1947 79 2,785
Wash Arizona Good 1947 79 2,785
Wash Arizona Good 1947 79 2,758
Pan Tak Wash Arizona Good 1947 79 2,758
Wash Arizona Good 1947 79 2,758

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.