Historic Bridges in Washington

1,188 bridges built before 1951 in Washington still in service today.

Bridges Built Before 1951

The United States has 1,188 bridges in Washington 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
ROCKY COULEE WASTEWAY Washington Good 1949 77 15
WISHKAH RIVER Washington Poor 1949 77 14,965
WINCHESTER WASTEWAY Washington Good 1949 77 6,873
COLUMBIA BASIN CANAL Washington Good 1949 77 1,493
TACOMA NARROWS Washington Fair 1949 77 44,741
HANSEN CREEK Washington Good 1949 77 10,162
WHITE RIVER Washington Fair 1949 77 22,099
CLE ELUM RIVER Washington Fair 1949 77 17,089
UP RR Washington Fair 1949 77 409
SPOKANE RIVER Washington Fair 1949 77 1,110
MILL CREEK Washington Fair 1949 77 6,272
BLACK CANYON CREEK Washington Fair 1949 77 1,847
PSPL CO CANAL Washington Fair 1949 77 22,099
WEST FORK HOQUIAM RIVER Washington Fair 1949 77 2,198
PINE CANYON & CREEK Washington Fair 1949 77 1,797
LITTLE WASHOUGAL RIVER Washington Good 1949 77 5,017
GULCH Washington Fair 1949 77 1,774
ROSEDALE ST Washington Fair 1949 77 41,194
LOWER LEWIS CR Washington Good 1949 77 942
UPPER LEWIS CR Washington Good 1949 77 942
DEVILS CREEK Washington Fair 1949 77 942
NORTHRUP CR Washington Good 1949 77 1,122
LAKE CRESCENT Washington Fair 1949 77 2,834
LAKE CRESCENT Washington Good 1949 77 2,834
HILL DITCH Washington Good 1949 77 3,873
N FK STILLAGUAMISH RIVER Washington Good 1949 77 4,211
CISPUS RIVER Washington Fair 1949 77 50
TOATS COULEE CREEK Washington Good 1949 77 153
TOATS COULEE CREEK Washington Good 1949 77 153
N. FK SALMON CREEK Washington Good 1949 77 76
N.FORK SALMON CREEK Washington Fair 1949 77 76
NORTH FK GOLD CREEK Washington Fair 1949 77 37
GOLD CREEK Washington Good 1949 77 60
EIGHTMILE CREEK Washington Good 1949 77 97
FALLS CREEK Washington Good 1949 77 196
EIGHTMILE CREEK Washington Good 1949 77 196
NORTH FORK BOULDER CREEK Washington Fair 1949 77 158
LITTLE WENATCHEE RIVER Washington Fair 1949 77 50
MISSION CREEK Washington Fair 1949 77 10
HARVEY CREEK Washington Fair 1949 77 20
WEST CANAL Washington Fair 1949 77 271
ROCK CREEK Washington Fair 1949 77 2,014
WEST CANAL Washington Fair 1949 77 155
FISHTRAP CR Washington Fair 1949 77 195
DEADMAN CREEK Washington Fair 1949 77 567
SALMON CREEK Washington Fair 1949 77 867
DECKER CREEK Washington Fair 1949 77 149
WEST CANAL Washington Fair 1949 77 313
MCALEER CREEK Washington Fair 1949 77 600
MCALEER CREEK Washington Fair 1949 77 600

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.