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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 ANTIETAM CREEK Maryland Fair 1910 116 315
LITTLE ANTIETAM CREEK Maryland Fair 1910 116 233
CAPITAL CRESCENT TRAIL Maryland Fair 1910 116 16,435
WEST BRANCH PATAPSCO RIV Maryland Fair 1911 115 999
SOUTHEAST CREEK Maryland Fair 1911 115 1,162
POTTS MILL CREEK Maryland Fair 1911 115 1,759
HERRING RUN Maryland Good 1911 115 20,994
ALLOWAY CREEK Maryland Fair 1911 115 269
MONOCACY RIVER Maryland Poor 1911 115 268
TRIB TO TUCKAHOE CREEK Maryland Fair 1911 115 1,027
CARROLL CREEK Maryland Poor 1911 115 6,750
BROAD RUN Maryland Fair 1911 115 444
ROCK CREEK Maryland Fair 1911 115 7,482
LITTLE CATOCTIN CREEK Maryland Fair 1912 114 1,300
CRICKET CREEK Maryland Fair 1912 114 12,830
PILCHARD CREEK Maryland Fair 1912 114 5,662
CSX RAILROAD Maryland Poor 1912 114 1,600
PINEY CREEK Maryland Fair 1912 114 317
HERRING BRANCH Maryland Fair 1913 113 753
BR OF HIGHFIELD CREEK Maryland Fair 1913 113 192
CENTRAL BOOKING PARKING Maryland Fair 1913 113 2,382
WATTS CREEK Maryland Poor 1913 113 570
HERRING RUN Maryland Fair 1913 113 516
WINTERS RUN Maryland Fair 1913 113 11
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
CSX Maryland Poor 1914 112 6,500
BIG HUNTING CREEK Maryland Fair 1914 112 450
TOMS CREEK Maryland Fair 1914 112 170
TOWNSEND/CENTREVILLE RR Maryland Poor 1914 112 500
PATAPSCO RIVER Maryland Fair 1915 111 25,532
GREENE BRANCH Maryland Good 1915 111 12,432
HAYSTACK BRANCH Maryland Fair 1915 111 5,752
LONG GREEN CREEK Maryland Fair 1915 111 5,752
TUCKAHOE CREEK Maryland Fair 1915 111 1,551
RED RUM RUN Maryland Fair 1915 111 1,680
LITTLE FALLS Maryland Poor 1915 111 548
BEAVER CREEK Maryland Fair 1915 111 1,500
SNIB HOLLOW RUN Maryland Fair 1916 110 281
BR OF LONG GREEN CREEK Maryland Fair 1916 110 5,752
WILLS CREEK Maryland Good 1916 110 11,780
CSX Maryland Fair 1916 110 32,811
MIDDLE BRANCH Maryland Poor 1916 110 14,220
BEAR CREEK Maryland Fair 1916 110 183
TONOLOWAY CREEK Maryland Good 1916 110 828
FIFTEEN MILE CREEK Maryland Fair 1917 109 281

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