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.
| Bridge | State | Condition | Year Built | Age (Years) | ADT |
|---|---|---|---|---|---|
| CALVA WASH | Arizona | Poor | 1929 | 97 | 120 |
| OAK DRAW | Arizona | Poor | 1929 | 97 | 120 |
| WASH | Arizona | Fair | 1929 | 97 | 120 |
| HINT CANYON | Arizona | Poor | 1929 | 97 | 120 |
| BASIN WASH | Arizona | Fair | 1929 | 97 | 120 |
| BEARGRASS DRAW | Arizona | Fair | 1929 | 97 | 120 |
| NAVAJO POINT DRAW | Arizona | Fair | 1929 | 97 | 120 |
| Hackberry Wash | Arizona | Fair | 1929 | 97 | 566 |
| Indian Creek | Arizona | Fair | 1929 | 97 | 566 |
| Dry Wash | Arizona | Fair | 1929 | 97 | 566 |
| Texas Canyon | Arizona | Fair | 1929 | 97 | 566 |
| Dry Wash | Arizona | Good | 1929 | 97 | 566 |
| Jack Wood Wash | Arizona | Fair | 1929 | 97 | 566 |
| Two Weeks Wash | Arizona | Good | 1929 | 97 | 566 |
| Horseshoe Canyon | Arizona | Good | 1929 | 97 | 566 |
| Danger Wash | Arizona | Good | 1929 | 97 | 566 |
| Dry Wash | Arizona | Fair | 1929 | 97 | 566 |
| Mulberry Canyon | Arizona | Fair | 1929 | 97 | 566 |
| Dry Wash | Arizona | Good | 1929 | 97 | 566 |
| Wet Wash | Arizona | Fair | 1929 | 97 | 566 |
| Wash | Arizona | Good | 1929 | 97 | 19,924 |
| Monarch Wash | Arizona | Fair | 1929 | 97 | 8,707 |
| Waterfall Canyon | Arizona | Poor | 1929 | 97 | 8,079 |
| Sopori River | Arizona | Fair | 1929 | 97 | 200 |
| Wash | Arizona | Fair | 1929 | 97 | 16,564 |
| Wash | Arizona | Fair | 1929 | 97 | 260 |
| Wash | Arizona | Fair | 1929 | 97 | 7,296 |
| Wash | Arizona | Good | 1929 | 97 | 6,495 |
| Weekes Wash | Arizona | Fair | 1929 | 97 | 6,947 |
| 6th Ave | Arizona | Fair | 1929 | 97 | 60 |
| Small Wash | Arizona | Fair | 1929 | 97 | 140 |
| Small Wash | Arizona | Fair | 1929 | 97 | 135 |
| Volunteer Wash | Arizona | Poor | 1929 | 97 | 135 |
| Hassayampa River | Arizona | Fair | 1929 | 97 | 80 |
| Wash | Arizona | Fair | 1929 | 97 | 659 |
| Sand Hollow Wash | Arizona | Fair | 1929 | 97 | 3,755 |
| Coon Creek | Arizona | Good | 1929 | 97 | 150 |
| Indian Bend Wash | Arizona | Fair | 1929 | 97 | 39,117 |
| Dry Wash | Arizona | Fair | 1929 | 97 | 4,300 |
| Wash | Arizona | Fair | 1929 | 97 | 11,193 |
| Wash | Arizona | Fair | 1929 | 97 | 11,193 |
| Wash | Arizona | Fair | 1929 | 97 | 14,046 |
| Scoops Wash | Arizona | Fair | 1929 | 97 | 14,046 |
| Budweiser Wash | Arizona | Fair | 1929 | 97 | 14,046 |
| BLACK RIVER | Arizona | Poor | 1930 | 96 | 5 |
| SODA SPRINGS GULCH | Arizona | Fair | 1930 | 96 | 514 |
| WASH | Arizona | Fair | 1930 | 96 | 50 |
| WASH | Arizona | Fair | 1930 | 96 | 240 |
| WASH | Arizona | Poor | 1930 | 96 | 240 |
| Dry Wash | Arizona | Good | 1930 | 96 | 566 |
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.