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Historic Bridges in Maryland

968 bridges built before 1951 in Maryland still in service today.

Bridges Built Before 1951

The United States has 968 bridges in Maryland 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
LITTLE PIPE CREEK Maryland Poor 1930 96 4,612
LITTLE BENNETT CREEK Maryland Good 1930 96 36
LITTLE TUSCARORA CREEK Maryland Fair 1930 96 6,340
TRIBUTARY TO NORTH BRANC Maryland Poor 1930 96 100
JAMES RUN Maryland Fair 1930 96 275
SWAN CREEK Maryland Good 1930 96 365
HERRING RUN Maryland Fair 1930 96 58
GRAVEYARD CREEK Maryland Fair 1930 96 349
MILL BROOK Maryland Poor 1930 96 816
BYNUM RUN Maryland Good 1930 96 51
PEDDLER RUN Maryland Good 1930 96 890
MA & PA RAILROAD (ABAND) Maryland Fair 1930 96 2,210
LITTLE PATUXENT RIVER Maryland Fair 1930 96 10,927
WATTS BRANCH Maryland Fair 1930 96 8,114
SENECA CREEK TRIBUTARY Maryland Fair 1930 96 821
BROAD RUN Maryland Fair 1930 96 540
WHETSTONE RUN TRIBUTARY Maryland Fair 1930 96 26,801
HAWLINGS RIVER Maryland Poor 1930 96 1,075
SLIGO CREEK Maryland Fair 1930 96 6,024
SLIGO CREEK Maryland Fair 1930 96 1,774
BEAVER CREEK Maryland Fair 1930 96 168
AMTRAK Maryland Fair 1931 95 19,339
LITTLE GUNPOWDER FALLS Maryland Fair 1931 95 13,621
LITTLE GUNPOWDER FALLS Maryland Fair 1931 95 7,011
CSX TRANSPORTATION Maryland Fair 1931 95 39,381
BR OF BIG PIPE CREEK Maryland Fair 1931 95 4,042
BEAR BRANCH Maryland Fair 1931 95 4,042
TALBOT BRANCH Maryland Fair 1931 95 999
BRANCH OF OCTARARO CREEK Maryland Fair 1931 95 11,282
NORFOLK SOUTHERN RR Maryland Fair 1931 95 9,652
STONY RUN Maryland Fair 1931 95 2,360
NORTHEAST CREEK Maryland Fair 1931 95 5,542
LITTLE NORTHEAST CREEK Maryland Fair 1931 95 6,982
BR OF BIG ELK CREEK Maryland Fair 1931 95 4,331
BR OF BIG ELK CREEK Maryland Fair 1931 95 4,331
ZEKIAH SWAMP Maryland Fair 1931 95 41,209
KERRICK SWAMP Maryland Fair 1931 95 6,540
MARSHYHOPE CREEK Maryland Fair 1931 95 1,550
MONOCACY RIVER Maryland Fair 1931 95 9,175
N BR OF CASSLEMAN RIVER Maryland Fair 1931 95 2,581
FALLING BRANCH Maryland Poor 1931 95 2,161
DEER CREEK Maryland Fair 1931 95 9,984
GREAT SENECA CREEK Maryland Fair 1931 95 6,121
BATCHELLORS RUN Maryland Fair 1931 95 9,850
BUCKHORN BR Maryland Fair 1931 95 9,850
LITTLE FALLS BRANCH Maryland Fair 1931 95 15,581
NE BRANCH OF ANACOSTIA R Maryland Poor 1931 95 7,399
BEAVER CREEK Maryland Fair 1931 95 6,082
LITTLE ANTIETAM CREEK Maryland Fair 1931 95 2,080
NASSAWANGO CREEK Maryland Fair 1931 95 1,910

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