Historic Bridges in Oregon
790 bridges built before 1951 in Oregon still in service today.
Bridges Built Before 1951
The United States has 790 bridges in Oregon 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 |
|---|---|---|---|---|---|
| PRAIRIE CREEK | Oregon | Fair | 1915 | 111 | 241 |
| SAVAGE CREEK | Oregon | Fair | 1916 | 110 | 5,578 |
| Columbia River | Oregon | Fair | 1916 | 110 | 65,013 |
| Beaver Creek | Oregon | Fair | 1916 | 110 | 5,307 |
| Jantzen Ped Tunnel | Oregon | Fair | 1916 | 110 | 130,027 |
| Columbia Slough | Oregon | Fair | 1916 | 110 | 12,202 |
| Beaver Creek | Oregon | Fair | 1916 | 110 | 5,307 |
| UPRR | Oregon | Fair | 1916 | 110 | 16,285 |
| ABIQUA CREEK | Oregon | Poor | 1916 | 110 | 327 |
| OWRR & N ACCESS ROAD | Oregon | Fair | 1916 | 110 | 22,930 |
| B-30 OVER UPRR | Oregon | Fair | 1917 | 109 | 4,402 |
| B-31 OVER UPRR | Oregon | Fair | 1917 | 109 | 15,784 |
| B-22 OVER UPRR | Oregon | Fair | 1917 | 109 | 3,577 |
| BEAVER CREEK | Oregon | Fair | 1918 | 108 | 759 |
| BEAVER CREEK | Oregon | Fair | 1918 | 108 | 759 |
| Rickreall Creek | Oregon | Fair | 1918 | 108 | 7,225 |
| BEAVER CREEK | Oregon | Fair | 1918 | 108 | 1,350 |
| FIFTEEN MILE CREEK | Oregon | Fair | 1919 | 107 | 56 |
| ROGUE RIVER-ROCKY POINT | Oregon | Fair | 1919 | 107 | 2,842 |
| Chehulpum Creek | Oregon | Fair | 1919 | 107 | 3,115 |
| Jackson Creek | Oregon | Good | 1919 | 107 | 15,894 |
| HONEYMAN CREEK | Oregon | Fair | 1919 | 107 | 30,567 |
| Tiger Creek | Oregon | Fair | 1919 | 107 | 5,337 |
| W F LITTLE WALLA WALLA | Oregon | Fair | 1919 | 107 | 2,172 |
| E F LITTLE WALLA WALLA | Oregon | Fair | 1919 | 107 | 2,172 |
| PASS CREEK | Oregon | Fair | 1919 | 107 | 156 |
| GORTON CREEK | Oregon | Fair | 1919 | 107 | 77 |
| HAY CANYON | Oregon | Fair | 1919 | 107 | 140 |
| Tide Creek Frtg. Rd. | Oregon | Fair | 1920 | 106 | 17 |
| GURKIN CANYON CREEK | Oregon | Fair | 1920 | 106 | 600 |
| Miller Creek | Oregon | Fair | 1920 | 106 | 744 |
| MILL CREEK | Oregon | Fair | 1920 | 106 | 15,627 |
| OLD SETTLERS SLOUGH | Oregon | Fair | 1920 | 106 | 2,351 |
| MOSIER CREEK | Oregon | Fair | 1920 | 106 | 765 |
| HOG CREEK CANYON | Oregon | Fair | 1920 | 106 | 295 |
| Bockler Creek | Oregon | Fair | 1920 | 106 | 5,571 |
| Zollner Creek | Oregon | Fair | 1920 | 106 | 6,451 |
| Cedar Creek | Oregon | Fair | 1920 | 106 | 1,190 |
| FULTON CANYON CREEK | Oregon | Fair | 1920 | 106 | 551 |
| GRAVE CREEK | Oregon | Fair | 1920 | 106 | 1,626 |
| OVERFLOW WILSON RIVER | Oregon | Fair | 1920 | 106 | 95 |
| FURNISH DITCH | Oregon | Fair | 1920 | 106 | 121 |
| Old Youngs Bay | Oregon | Poor | 1921 | 105 | 7,781 |
| CORP | Oregon | Fair | 1921 | 105 | 10,298 |
| Crow Creek | Oregon | Fair | 1921 | 105 | 6,255 |
| North Yamhill River | Oregon | Fair | 1921 | 105 | 10,350 |
| UPRR | Oregon | Fair | 1921 | 105 | 60 |
| UPRR (TELOCASET) | Oregon | Fair | 1921 | 105 | 767 |
| DRY CANYON CREEK | Oregon | Fair | 1921 | 105 | 295 |
| CANYON CREEK | Oregon | Fair | 1921 | 105 | 4,363 |
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.