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.

Clear
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.