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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
Fish Creek Arizona Good 1900 126 30
Wash Arizona Fair 1900 126 6,735
Middle March Creek Arizona Fair 1900 126 100
Stockton Drain Arizona Fair 1900 126 700
San Jose Canal Arizona Fair 1900 126 19
Ash Creek Arizona Fair 1900 126 10
Union Canal Arizona Poor 1900 126 203
Union Canal Arizona Fair 1900 126 3,700
Stockton Drain Arizona Fair 1900 126 200
Rocky John Canyon Arizona Fair 1900 126 42
Silver Creek Arizona Fair 1900 126 400
Nogales Wash Arizona Fair 1900 126 1,000
Green Gulch Arizona Fair 1900 126 330
Small Wash Arizona Fair 1900 126 6,995
Small Wash Arizona Fair 1900 126 6,129
Casa Grande Canal Ext Arizona Poor 1900 126 450
Sand Tanks Wash Arizona Fair 1900 126 132
Concho Creek Arizona Fair 1900 126 260
Rio De Flag Arizona Fair 1900 126 1,357
Rio De Flag Arizona Fair 1900 126 310
Rio De Flag Arizona Fair 1900 126 310
Rio De Flag Arizona Fair 1900 126 2,000
Chase Creek Arizona Fair 1900 126 411
Desert Wash Arizona Fair 1900 126 2,200
Small Wash Arizona Fair 1900 126 971
Middleton Creek Arizona Fair 1900 126 148
Storm Drain Arizona Poor 1900 126 300
Chase Creek Arizona Poor 1901 125 458
Southern Pacific RR Arizona Fair 1907 119 50
PINTO CREEK Arizona Fair 1910 116 25
Queen Creek Arizona Fair 1910 116 2,319
High School Wash Arizona Fair 1910 116 7,162
Mule Pass-Lowell Arch Arizona Fair 1911 115 4,769
Little Colorado River Arizona Good 1912 114 160
San Pedro River Arizona Fair 1913 113 672
Chevelon Creek Arizona Fair 1913 113 36
Colorado River Arizona Fair 1914 112 5,430
MOENKOPI WASH Arizona Poor 1915 111 50
Soap Box Canyon Arizona Poor 1915 111 800
Walnut Creek Arizona Fair 1915 111 140
Chase Creek Arizona Fair 1915 111 358
Boulder Creek Arizona Fair 1916 110 1,169
Santa Cruz River Arizona Fair 1916 110 840
Graveyard Wash Arizona Fair 1916 110 1,188
Pinal Creek Arizona Fair 1916 110 642
Abandoned RR Arizona Fair 1917 109 50
Little Colorado River Arizona Fair 1917 109 105
Bitter Creek Arizona Fair 1917 109 2,000
Old Trails Wash Arizona Fair 1917 109 450
Black Knob Drainage Arizona Poor 1917 109 1,000

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