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 |
|---|---|---|---|---|---|
| McMillen Wash | Arizona | Fair | 1936 | 90 | 500 |
| Aspen Creek | Arizona | Good | 1936 | 90 | 1,600 |
| Double Cabin Draw | Arizona | Good | 1936 | 90 | 720 |
| Fulton Canyon | Arizona | Good | 1936 | 90 | 720 |
| GGMC STA 282+36 Wasteway | Arizona | Good | 1937 | 89 | 30 |
| Bloody Tanks Wash | Arizona | Fair | 1937 | 89 | 8,079 |
| Palm Grove Wash | Arizona | Good | 1937 | 89 | 6,312 |
| Midway Wash | Arizona | Fair | 1937 | 89 | 1,625 |
| Grand Canal | Arizona | Fair | 1937 | 89 | 20,169 |
| Wash | Arizona | Fair | 1937 | 89 | 1,364 |
| US 60 | Arizona | Fair | 1937 | 89 | 500 |
| US 60 | Arizona | Fair | 1937 | 89 | 500 |
| Wash | Arizona | Fair | 1937 | 89 | 17,716 |
| Wash | Arizona | Good | 1937 | 89 | 8,443 |
| Wash | Arizona | Good | 1937 | 89 | 7,109 |
| Wash | Arizona | Good | 1937 | 89 | 5,910 |
| Wash | Arizona | Good | 1937 | 89 | 2,147 |
| Wash | Arizona | Good | 1937 | 89 | 2,027 |
| Wash | Arizona | Good | 1937 | 89 | 2,027 |
| Wash | Arizona | Good | 1937 | 89 | 2,027 |
| Emerald Gulch | Arizona | Good | 1937 | 89 | 2,814 |
| Wash | Arizona | Good | 1937 | 89 | 1,143 |
| Wash | Arizona | Fair | 1937 | 89 | 1,143 |
| Wash | Arizona | Good | 1937 | 89 | 15,661 |
| Wash | Arizona | Fair | 1937 | 89 | 15,661 |
| Wash | Arizona | Fair | 1937 | 89 | 15,661 |
| Wash | Arizona | Fair | 1937 | 89 | 15,661 |
| Wash | Arizona | Good | 1937 | 89 | 15,661 |
| Wash | Arizona | Good | 1937 | 89 | 15,661 |
| Dead Rat Wash | Arizona | Good | 1937 | 89 | 15,823 |
| Wash | Arizona | Fair | 1937 | 89 | 642 |
| Wash | Arizona | Good | 1937 | 89 | 2,027 |
| White Water Draw | Arizona | Poor | 1937 | 89 | 50 |
| Antelope Creek | Arizona | Fair | 1937 | 89 | 220 |
| Mint Wash | Arizona | Fair | 1937 | 89 | 372 |
| Unnamed Wash | Arizona | Fair | 1937 | 89 | 5,425 |
| Wash | Arizona | Fair | 1937 | 89 | 5,951 |
| Slick Rock Wash | Arizona | Fair | 1938 | 88 | 1,063 |
| Shoat Tank Wash | Arizona | Fair | 1938 | 88 | 1,063 |
| Washboard Wash | Arizona | Fair | 1938 | 88 | 3,684 |
| Waterway | Arizona | Fair | 1938 | 88 | 4,555 |
| Wash | Arizona | Good | 1938 | 88 | 2,730 |
| Stockton Wash | Arizona | Fair | 1938 | 88 | 2,901 |
| Sanders Wash | Arizona | Fair | 1938 | 88 | 1,040 |
| Island Wash | Arizona | Fair | 1938 | 88 | 8,919 |
| Rio Cornez Wash | Arizona | Fair | 1938 | 88 | 1,641 |
| Cedar Canyon | Arizona | Good | 1938 | 88 | 2,784 |
| Slick Rock Wash | Arizona | Fair | 1938 | 88 | 1,063 |
| Midgely/Wilson Canyon | Arizona | Fair | 1938 | 88 | 8,638 |
| Green Bush Draw | Arizona | Fair | 1938 | 88 | 4,555 |
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.