Bridge Safety in California

25,975 bridges, 1,284 Poor condition, avg age 55 years.

Bridge Inventory

Total Bridges25,975
Good Condition12,239
Fair Condition12,452
Poor Condition1,284
Oldest BridgeBuilt 1860
Average Age55 years

Condition Summary

% Good47.1%
% Fair47.9%
% Poor4.9%

Highest-Traffic Poor Condition Bridges in California

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

Bridge Condition Year Built ADT Length
SLAUSON AVE & BNSF RY Poor 1996 300,000 -
KESTER AVE Poor 1959 293,000 -
VERMONT AVE 190TH ST Poor 1962 269,000 -
TELEGRAPH CANYON DRAIN Poor 1971 250,000 -
PACIFIC AVE Poor 1967 240,000 -
MONUMENT BOULEVARD Poor 1998 235,000 -
CESAR CHAVEZ BLVD Poor 1951 234,000 -
LINCOLN AVE Poor 1961 227,000 -
CRANDALL CREEK Poor 1958 225,000 -
TORRANCE BLVD Poor 1962 218,000 -
WRIGHT ROAD Poor 1993 217,000 -
SUISUN CREEK Poor 1932 202,000 -
RTE 163 CONNECTORS Poor 1961 199,000 -
PATTERSON SLOUGH Poor 1957 198,000 -
CORDILLERAS CREEK Poor 1930 195,000 -
LAUREL DRIVE Poor 1964 192,200 -
GREEN VALLEY CREEK Poor 1928 189,000 -
STATE ROUTE 4 & RAMPS Poor 1958 179,000 -
EL PORTAL DRIVE Poor 1956 179,000 -
SOUTHGATE AVENUE Poor 1967 178,000 -

Oldest Bridges in California

Bridge Condition Year Built Age ADT
OREGON CREEK Good 1860 166 yrs 60
NAPA CREEK Fair 1860 166 yrs 5,972
BURGER CREEK Fair 1888 138 yrs 137
WORKMAN WASH Fair 1890 136 yrs 146
MISSION CREEK Fair 1891 135 yrs 10,600
NAPA RIVER Fair 1894 132 yrs 2,790
SOUTH YUBA RIVER Fair 1895 131 yrs 71
IRWIN CREEK Good 1895 131 yrs 129,000
CARNEROS CREEK Fair 1896 130 yrs 1,959
MIDDLE CREEK Fair 1900 126 yrs 135

Bridge Safety in California

Bridge condition data for California 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.