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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

94,376 bridges built before 1951 across the United States still in service today.

Bridges Built Before 1951

The United States has 94,376 bridges 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.

Bridge State Condition Year Built Age (Years) ADT
E FORK DES MOINES RIVER Iowa Poor 1914 112 26
CREEK Iowa Fair 1914 112 45
VOLGA RIVER Iowa Poor 1914 112 33
LOST GROVE CREEK Iowa Poor 1914 112 21
BRANCH WOLF CREEK Iowa Poor 1914 112 5
EAST FORK CROOKED CREEK Iowa Poor 1914 112 16
BEAR CREEK Iowa Poor 1914 112 45
BEAR CREEK Iowa Poor 1914 112 63
CLEAR CREEK Iowa Poor 1914 112 40
INDIAN CREEK Iowa Poor 1914 112 20
RAINES BR Iowa Fair 1914 112 15
STREAM Iowa Fair 1914 112 30
N LIZARD CREEK Iowa Poor 1914 112 11
CAMP CREEK Iowa Poor 1914 112 26
DRAINAGE DITCH Iowa Poor 1914 112 459
SMALL STREAM Iowa Poor 1914 112 45
SILVER CREEK Iowa Fair 1914 112 41
IOWA RIVER Iowa Poor 1914 112 39
WOLF CREEK BRANCH Iowa Poor 1914 112 196
LITTLE SOAP CREEK Iowa Poor 1914 112 11
SOUTH FORK LONG CREEK Iowa Poor 1914 112 11
WHITE FOX CREEK Iowa Poor 1914 112 35
TRIB. TO STRANGER CREEK Kansas Fair 1914 112 25
LITTLE WALNUT RIVER Kansas Poor 1914 112 50
LITTLE LABETTE CREEK Kansas Good 1914 112 40
TRIB. TO LAKE CREEK Kansas Fair 1914 112 40
TRIB. TO LAKE CREEK Kansas Fair 1914 112 40
TRIB. TO LAKE CREEK Kansas Fair 1914 112 30
TRIB. TO NEOSHO RIVER Kansas Fair 1914 112 40
MIDDLE CREEK Kansas Poor 1914 112 20
MINE CREEK Kansas Poor 1914 112 5
CLEAR CREEK Kansas Poor 1914 112 40
BRUNO CREEK Kansas Poor 1914 112 30
TRIB. TO TURKEY CREEK Kansas Fair 1914 112 49
TRIB. TO TEN MILE CREEK Kansas Fair 1914 112 50
TRIB. TO MIDDLE CREEK Kansas Good 1914 112 100
PARADISE CREEK Kansas Poor 1914 112 20
EAGLE CREEK Kansas Poor 1914 112 15
TRIB. TO KANSAS RIVER Kansas Poor 1914 112 20
LITTLE ARKANSAS RIVER Kansas Fair 1914 112 250
LITTLE ARKANSAS RIVER Kansas Good 1914 112 5,600
S FORK BEARGRASS CREEK Kentucky Poor 1914 112 1,359
S FORK BEARGRASS CREEK Kentucky Fair 1914 112 942
SWAIN (BEAN) BROOK Maine Fair 1914 112 9,742
PATAPSCO RIVER Maryland Fair 1914 112 7,859
BRANCH OF WYE RIVER Maryland Fair 1914 112 860
MILL CREEK Maryland Fair 1914 112 1,061
GEORGES CREEK Maryland Fair 1914 112 675
CSX RAILROAD Maryland Poor 1914 112 10,713
CSX Maryland Fair 1914 112 6,197

Historic Bridges by State

States ranked by number of bridges built before 1951 still in service.

StateHistoric BridgesOldest YearAvg Age
Texas 8,191 1900 89 yrs
Pennsylvania 6,062 1697 99 yrs
Kansas 5,656 1870 93 yrs
Oklahoma 5,554 1900 89 yrs
Missouri 4,522 1874 96 yrs
California 4,414 1860 91 yrs
New York 3,831 1800 96 yrs
Ohio 3,386 1828 101 yrs
Nebraska 3,270 1888 91 yrs
Illinois 3,065 1863 99 yrs
Iowa 3,036 1876 98 yrs
Tennessee 2,857 1841 89 yrs
Alabama 2,703 1800 90 yrs
Indiana 2,682 1838 98 yrs
Virginia 2,504 1820 92 yrs
Kentucky 2,241 1835 89 yrs
Arkansas 1,932 1860 89 yrs
Georgia 1,832 1872 88 yrs
New Jersey 1,814 1792 99 yrs
Michigan 1,528 1867 94 yrs
Massachusetts 1,481 1764 107 yrs
Wisconsin 1,333 1887 92 yrs
South Carolina 1,282 1910 89 yrs
West Virginia 1,245 1817 96 yrs
North Carolina 1,203 1900 89 yrs
Arizona 1,189 1900 90 yrs
Washington 1,188 1900 92 yrs
South Dakota 1,118 1900 92 yrs
Minnesota 1,035 1884 94 yrs
Vermont 987 1824 99 yrs
Maryland 968 1809 99 yrs
Mississippi 908 1900 87 yrs
Connecticut 860 1832 96 yrs
Colorado 857 1887 89 yrs
Oregon 790 1899 92 yrs
New Mexico 719 1908 87 yrs
New Hampshire 716 1832 97 yrs
Florida 707 1900 87 yrs
North Dakota 685 1885 91 yrs
Montana 662 1881 90 yrs
Maine 630 1854 92 yrs
Louisiana 614 1908 87 yrs
Puerto Rico 463 1842 95 yrs
Hawaii 386 1900 95 yrs
Idaho 354 1908 90 yrs
Utah 217 1905 88 yrs
Wyoming 191 1908 88 yrs
Rhode Island 179 1810 107 yrs
Delaware 122 1839 99 yrs
Nevada 89 1900 89 yrs
District of Columbia 81 1831 94 yrs
Alaska 37 1910 86 yrs

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