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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
POTOMAC RIVER CSX TRANS Maryland Fair 1946 80 20,830
POCOMOKE RIVER Maryland Fair 1946 80 2,382
JACKSON RUN Maryland Fair 1946 80 338
LITTLE ELK CREEK Maryland Fair 1946 80 964
SULLIVAN BRANCH Maryland Poor 1946 80 561
TRANSQUAKING RIVER Maryland Poor 1946 80 93
MIDWAY BRANCH Maryland Fair 1946 80 200
BRADDOCK RUN Maryland Fair 1947 79 9,951
BRADDOCK RUN Maryland Fair 1947 79 12,812
STONEY CREEK Maryland Fair 1947 79 15,071
KITTEN BRANCH Maryland Fair 1947 79 42,631
SULPHUR SPRING ROAD Maryland Fair 1947 79 11,542
CSX TRANSPORTATION Maryland Fair 1947 79 15,849
BRANCH OF ROCK CREEK Maryland Fair 1947 79 47,332
JACOBS CREEK Maryland Fair 1947 79 2,461
SWANTOWN CREEK Maryland Fair 1947 79 2,461
MILL CREEK Maryland Fair 1947 79 2,445
HONEY BRANCH Maryland Fair 1947 79 10,771
BR OF WYE RIVER Maryland Fair 1947 79 45,511
BIG PIPE CREEK Maryland Fair 1947 79 24
LITTLE PAINT BRANCH Maryland Fair 1947 79 700
PORTER RUN Maryland Fair 1948 78 9,951
BRADDOCK RUN Maryland Fair 1948 78 13,491
ROOP BRANCH Maryland Fair 1948 78 1,702
FREDERICK ROAD Maryland Fair 1948 78 130,203
RADCLIFF CREEK Maryland Fair 1948 78 3,563
SPILLWAY OF CHESTER RIVE Maryland Fair 1948 78 4,145
NORTH BRANCH SKIPTON CRE Maryland Fair 1948 78 31,938
SOUTH BRANCH SKIPTON CRE Maryland Fair 1948 78 31,938
DEAD RUN Maryland Fair 1948 78 10,532
BEAR CREEK Maryland Fair 1948 78 26,231
REDHOUSE CREEK Maryland Fair 1948 78 604
TRIBUTARY TO REDHOUSE CR Maryland Fair 1948 78 12,981
TRIB TO INDIAN CREEK Maryland Fair 1948 78 1,743
CAREY BRANCH Maryland Fair 1948 78 1,518
C&D CANAL Maryland Fair 1948 78 13,615
PATAPSCO RIVER Maryland Fair 1949 77 80,822
PATAPSCO RIVER Maryland Fair 1949 77 80,822
MD 295 NBR Maryland Fair 1949 77 13,660
MD 295 NBR Maryland Fair 1949 77 2,892
MD 295 NBR Maryland Fair 1949 77 9,020
BRANCH OF DEEP RUN Maryland Fair 1949 77 13,146
PINEY RUN Maryland Fair 1949 77 2,452
MD 295 SBR Maryland Fair 1949 77 2,892
MD 295 SBR Maryland Fair 1949 77 9,020
MD 295 SBR Maryland Fair 1949 77 13,660
HERBERT RUN Maryland Fair 1949 77 16,379
DAISY AVENUE Maryland Fair 1949 77 66,611
OREGON BRANCH Maryland Good 1949 77 85,051
BEAVERDAM RUN Maryland Fair 1949 77 85,051

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