Bridge Safety in Oregon

8,329 bridges — 422 Poor condition — avg age 50 years.

Bridge Inventory

Total Bridges8,329
Good Condition2,645
Fair Condition5,262
Poor Condition422
Oldest BridgeBuilt 1899
Average Age50 years

Condition Summary

% Good31.8%
% Fair63.2%
% Poor5.1%

Highest-Traffic Poor Condition Bridges in Oregon

Poor condition bridges sorted by daily traffic — the most urgent safety concerns.

Bridge Condition Year Built ADT Length
BROADWAY ST CONN Poor 1913 30,388
Yaquina Bay Poor 1934 20,207
Lebanon Ditch Poor 1921 18,798
Pine Creek Poor 1964 17,928
HWY 132 Poor 1965 17,868
BEAVERTON CREEK Poor 1960 14,741
BNSF Poor 1909 14,374
COLUMBIA RIVER Poor 1924 14,227
North Fork Ash Creek Poor 1954 14,149
Beaver Creek Poor 1953 13,994
B-78 OVER BNRR Poor 1909 13,910
MCCORD CREEK Poor 1962 13,746
Kilchis R. & Possetti Rd Poor 1952 13,357
B-1 OVER UP/SPRR Poor 1930 13,113
Willamette River Poor 1964 12,687
Willamette River Poor 1913 12,687
PNWR & Scoggin Creek Poor 1967 12,233
WILLAMETTE RIVER Poor 1910 11,732
COX CREEK Poor 1940 11,330
Siuslaw River Poor 1936 10,905

Oldest Bridges in Oregon

Bridge Condition Year Built Age ADT
N.FORK JOHN DAY RIVER Fair 1899 127 yrs 132
BARNUM CANYON Good 1900 126 yrs 74
Sun Creek Good 1900 126 yrs 10
B-15 X MACLEAY PARK Fair 1905 121 yrs 4,501
OWYHEE RIVER (ROME) Poor 1906 120 yrs 20
BONNEVILLE DAM Fair 1907 119 yrs 20
Hwy 2 & UPRR Fair 1908 118 yrs 35,800
B-27 OVER UPRR Fair 1908 118 yrs 6,578
UPRR & Hwy 002 Fair 1908 118 yrs 31,889
B-78 OVER BNRR Poor 1909 117 yrs 13,910

Bridge Safety in Oregon

Bridge condition data for Oregon comes from the FHWA National Bridge Inventory. All publicly accessible bridges with a span over 20 feet are inspected at least every 24 months by certified bridge inspectors.