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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
BEAR CREEK Maryland Poor 1920 106 30
TRIBUTARY OF JAMES RUN Maryland Fair 1920 106 315
MIDDLE PATUXENT RIVER Maryland Fair 1920 106 4,880
RUSSELL BRANCH Maryland Fair 1920 106 2,298
ROCK CREEK Maryland Poor 1920 106 16,792
HAWLINGS RIVER Maryland Fair 1920 106 740
HAWLINGS RIVER Maryland Fair 1920 106 282
GOSHEN BRANCH Maryland Fair 1920 106 480
MINNEHAHA BRANCH Maryland Fair 1920 106 897
PATUXENT RIVER Maryland Poor 1920 106 7,068
UNNAMED STREAM Maryland Fair 1920 106 778
TRIBUTARY OF DOG CREEK Maryland Poor 1920 106 172
BEAVER CREEK Maryland Poor 1920 106 533
MARSH RUN Maryland Good 1920 106 347
LITTLE ANTIETAM CREEK Maryland Fair 1920 106 1,173
LITTLE ANTIETAM CREEK Maryland Good 1920 106 178
ABANDONED RR Maryland Fair 1920 106 5
TRIBUTARY OF LOST LAND R Maryland Poor 1920 106 5
SAMS CREEK Maryland Fair 1921 105 2,611
NORTHEAST CREEK Maryland Fair 1921 105 2,585
LITTLE YOUGHIOGHENY RIVE Maryland Fair 1921 105 5,572
MANOKIN RIVER Maryland Fair 1921 105 7,131
HERRING RUN Maryland Poor 1921 105 58,858
BEAR CREEK Maryland Fair 1921 105 2,345
LITTLE PIPE CREEK Maryland Fair 1922 104 4,051
MORGAN RUN Maryland Fair 1922 104 14,091
NANJEMOY CREEK Maryland Fair 1922 104 1,972
SWAN CREEK Maryland Fair 1922 104 970
LITTLE SENECA CREEK Maryland Fair 1922 104 13,820
TRIBUTARY TO GUNPOWDER F Maryland Fair 1922 104 720
CARROLL BRANCH Maryland Fair 1922 104 252
WESTERN RUN Maryland Fair 1922 104 10,344
MIDDLE PATUXENT RIVER Maryland Fair 1922 104 6,403
ISRAEL CREEK Maryland Fair 1922 104 160
BRANCH OF NORTH BRANCH Maryland Fair 1923 103 2,042
TOMS CREEK Maryland Fair 1923 103 7,680
CATOCTIN CREEK Maryland Fair 1923 103 9,212
BYNUM RUN Maryland Fair 1923 103 11,350
TRIBUTARY TO ROLAND RUN Maryland Fair 1923 103 8,249
CSX Maryland Poor 1923 103 2,755
GUNPOWDER FALLS Maryland Poor 1923 103 6,296
MD MIDLAND RAILWAY Maryland Fair 1923 103 7,436
WINCHESTER RUN Maryland Fair 1924 102 12,872
GUNPOWDER FALLS Maryland Fair 1924 102 5,350
DICKERSON RUN Maryland Fair 1924 102 4,861
UNICORN BRANCH Maryland Fair 1924 102 1,970
BEAVERDAM CREEK Maryland Fair 1924 102 448
DEEP CREEK LAKE Maryland Fair 1924 102 3,850
SIDELING HILL CREEK Maryland Fair 1925 101 281
BALLENGER CREEK Maryland Fair 1925 101 3,850

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