Historic Bridges in Utah
217 bridges built before 1951 in Utah still in service today.
Bridges Built Before 1951
The United States has 217 bridges in Utah 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 |
|---|---|---|---|---|---|
| CANE SPRINGS WASH | Utah | Fair | 1950 | 76 | 13 |
| WEBER RIVER | Utah | Poor | 1950 | 76 | 115 |
| DRY FORK OF WEBER RIVER | Utah | Fair | 1950 | 76 | 844 |
| WEBER RIVER | Utah | Fair | 1950 | 76 | 844 |
| MIDDLE FORK WEBER RIVER | Utah | Good | 1950 | 76 | 844 |
| BEAVER CREEK | Utah | Fair | 1950 | 76 | 95 |
| SMITH-MOOREHOUSE CK. | Utah | Poor | 1950 | 76 | 100 |
| NEOLA NO. 1 CANAL | Utah | Fair | 1950 | 76 | 158 |
| BRUSH CREEK | Utah | Fair | 1950 | 76 | 63 |
| MIDDLE FORK OGDEN RIVER | Utah | Fair | 1950 | 76 | 655 |
| PRICE RIVER | Utah | Fair | 1950 | 76 | 3,333 |
| SALT CREEK | Utah | Fair | 1950 | 76 | 2,090 |
| ROCKY CANYON WASH | Utah | Fair | 1950 | 76 | 2,090 |
| COTTONWOOD CREEK | Utah | Fair | 1950 | 76 | 6,125 |
| BEAVER RIVER | Utah | Fair | 1950 | 76 | 267 |
| BEAVER RIVER | Utah | Fair | 1950 | 76 | 267 |
| LOGAN RIVER | Utah | Fair | 1950 | 76 | 50 |
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.