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Product Safety9,700+ CPSC product recalls Food Safety28,600+ FDA food recalls Pet Safety1.3M FDA animal adverse events Drug Safety17,500+ FDA drug recalls Device Safety38,400+ FDA device recalls Workplace Safety102,900+ OSHA injury reports Brand HistoryRecall lookup by company

Infrastructure

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Historic Bridges in California

4,414 bridges built before 1951 in California still in service today.

Bridges Built Before 1951

The United States has 4,414 bridges in California 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
REDWOOD CREEK OVERFLOW California Good 1950 76 3,750
SALT RIVER California Fair 1950 76 246
SOCTISH CREEK California Fair 1950 76 437
SUPPLY CREEK California Fair 1950 76 69
REDWOOD CREEK California Fair 1950 76 113
RANGER FLAT DRAW California Fair 1950 76 122
WILLIAMS CREEK California Fair 1950 76 30
MIDDLE WEAVER CREEK California Fair 1950 76 125
CARR CREEK California Fair 1950 76 330
POTATO CREEK California Fair 1950 76 50
PRICE CREEK California Poor 1950 76 20
SALT CREEK California Fair 1950 76 15
VAN DUZEN RIVER California Fair 1950 76 10
DUTTON CREEK California Poor 1950 76 100
CLARK CREEK California Good 1950 76 200
CANYON HOLLOW CREEK California Fair 1950 76 3,728
A.C.I.D. CANAL California Good 1950 76 4,110
FALL RIVER California Poor 1950 76 50
ANDERSON CREEK California Good 1950 76 1,161
TOYON CREEK California Fair 1950 76 1,000
SALT CREEK California Fair 1950 76 500
ASH CREEK California Good 1950 76 200
SPRING GULCH California Good 1950 76 3,750
LITTLE TULE RIVER California Poor 1950 76 100
ASH CREEK TRIBUTARY California Good 1950 76 200
A.C.I.D. CANAL California Good 1950 76 641
DRY CREEK California Good 1950 76 641
CHURN CREEK California Fair 1950 76 500
A.C.I.D. CANAL California Good 1950 76 3,180
WHITEHEAD SLOUGH California Fair 1950 76 100
ELDER CREEK California Good 1950 76 600
MILL CREEK California Good 1950 76 600
THOMES CREEK BRANCH California Fair 1950 76 1,640
DIGGER CREEK California Fair 1950 76 50
E BR N FK FEATHER RIVER California Fair 1950 76 20
COOKS CREEK California Fair 1950 76 240
SALMON CREEK California Poor 1950 76 3,100
WINDEM CREEK California Fair 1950 76 406
DAVIS CREEK California Fair 1950 76 1,648
GLENN-COLUSA CANAL California Poor 1950 76 85
CENTRAL IRRIGATION CANAL California Good 1950 76 303
HOWARD SLOUGH California Poor 1950 76 93
GRINDSTONE CREEK California Fair 1950 76 396
ANGEL SLOUGH California Fair 1950 76 176
CLARKS VALLEY CREEK California Good 1950 76 55
SHOAT DRAW California Fair 1950 76 280
STONY CREEK IRRG CANAL California Good 1950 76 300
STONY CREEK IRRG CANAL California Fair 1950 76 300
DRAIN A California Good 1950 76 310
ORTIZ DRAIN California Fair 1950 76 13

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.

All Bridges Poor Condition Scour Critical Bridge Stats