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
GRANDY CREEK Washington Good 1950 76 5,460
HALF BR Washington Fair 1950 76 2,472
PALOUSE RIVER Washington Good 1950 76 377
PEND OREILLE RIVER Washington Fair 1950 76 1,288
E FOSTER CREEK Washington Good 1950 76 1,239
E FOSTER CREEK Washington Fair 1950 76 1,239
E FOSTER CREEK Washington Fair 1950 76 1,239
W FOSTER CREEK Washington Fair 1950 76 1,239
DIOBSUD CREEK Washington Good 1950 76 1,930
SNAKE RIVER & BNRR Washington Fair 1950 76 13,260
EAGLE CR Washington Good 1950 76 3,065
HUMPTULIPS OVERFLOW Washington Fair 1950 76 2,244
HUMPTULIPS RIVER Washington Fair 1950 76 2,244
WILLAPA HILLS TRAIL Washington Good 1950 76 1,600
SR 285 S-W RAMP Washington Fair 1950 76 6,493
NOOKSACK R OVERFLOW Washington Good 1950 76 7,931
NOOKSACK R Washington Poor 1950 76 7,931
NOOKSACK R OVERFLOW Washington Fair 1950 76 7,931
SNYDER CREEK Washington Good 1950 76 532
HOKO RIVER Washington Fair 1950 76 1,031
JOE LEARY SL Washington Fair 1950 76 981
LOWELL ROAD Washington Good 1950 76 94,939
I-5 RAMPS Washington Fair 1950 76 5,763
COAL CREEK Washington Fair 1950 76 17,758
DRY COULEE Washington Fair 1950 76 165
JOHNSON CREEK Washington Fair 1950 76 141
FALLS CREEK Washington Good 1950 76 25
CHEWUCH RIVER Washington Good 1950 76 24
WYNOOCHEE RIVER Washington Fair 1950 76 50
HAMMA HAMMA RIVER Washington Fair 1950 76 30
DONKEY CREEK Washington Fair 1950 76 150
N FK CALAWAH RIVER Washington Good 1950 76 50
COWICHE CREEK Washington Fair 1950 76 393
PALOUSE RIVER Washington Fair 1950 76 176
HALE PASSAGE Washington Fair 1950 76 1,300
HALE PASSAGE Washington Fair 1950 76 1,300
LAKE CREEK Washington Fair 1950 76 1,112
DEADMAN CREEK Washington Good 1950 76 196
MISSION CREEK Washington Good 1950 76 1,505
PARADISE CREEK Washington Good 1950 76 321
WEST CANAL Washington Poor 1950 76 687
LOST RIVER Washington Poor 1950 76 95
WEBER WASTEWAY Washington Good 1950 76 156
COAL CREEK Washington Fair 1950 76 3,189
NEWAUKUM CREEK Washington Fair 1950 76 1,592
DAKOTA CR Washington Fair 1950 76 844
NEWAUKUM CREEK Washington Fair 1950 76 1,500
CAMPBELL CREEK Washington Poor 1950 76 257
ROCKY COULEE Washington Fair 1950 76 19
JOHNSON CR Washington Fair 1950 76 1,031

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.