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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
SWAN CREEK Maryland Fair 1935 91 27,800
CRANBERRY RUN Maryland Fair 1935 91 34,600
CHURCH CREEK Maryland Fair 1935 91 25,930
BUSH CREEK Maryland Fair 1935 91 21,093
OTTER POINT CREEK Maryland Fair 1935 91 21,093
ISLAND BRANCH Maryland Fair 1935 91 1,901
SLIGO CREEK Maryland Fair 1935 91 33,100
MCINTOSH RUN Maryland Fair 1935 91 22,220
JENNINGS RUN Maryland Fair 1935 91 1,224
DUTCH HOLLOW RUN Maryland Poor 1935 91 669
MILL RUN Maryland Fair 1935 91 812
WHITE SULPHUR RUN Maryland Good 1935 91 1,218
BIG RUN Maryland Fair 1935 91 55
POPLAR LICK RUN Maryland Fair 1935 91 544
BUFFALO RUN Maryland Fair 1935 91 133
MILL RUN Maryland Poor 1935 91 11
BEAR CREEK Maryland Fair 1935 91 27
MIDDLE PATUXENT RIVER Maryland Poor 1935 91 1,454
LITTLE CATTAIL CREEK Maryland Poor 1935 91 1,525
HAY MEADOW BRANCH Maryland Fair 1935 91 539
TRIB TO LITTLE PATUXENT Maryland Poor 1935 91 54
BRANCH OF LITTLE PATUXEN Maryland Fair 1935 91 3,512
TIBER RIVER Maryland Poor 1935 91 45
PINEY BRANCH Maryland Fair 1935 91 4,689
WILDCAT BRANCH Maryland Fair 1935 91 445
PISCATAWAY CREEK Maryland Good 1935 91 3,008
MEADOW BROOK Maryland Fair 1935 91 900
WARRIOR RUN Maryland Fair 1936 90 8,071
WARRIOR RUN Maryland Fair 1936 90 8,071
MARLEY CREEK Maryland Fair 1936 90 23,961
SEVERN RUN Maryland Fair 1936 90 21,621
AMTRAK Maryland Fair 1936 90 13,400
BRANCH OF MARLEY CREEK Maryland Fair 1936 90 23,961
US1 NBR AMTRAK HERBERT Maryland Fair 1936 90 19,195
MARYLAND MIDLAND RR Maryland Fair 1936 90 18,070
PATAPSCO RIVER Maryland Good 1936 90 37,530
EAST BRANCH PATAPSCO RIV Maryland Fair 1936 90 8,212
CATOCTIN CREEK Maryland Fair 1936 90 5,432
MIDDLE CREEK Maryland Fair 1936 90 5,522
LITTLE CATOCTIN CREEK Maryland Fair 1936 90 5,522
TRIB TO HAWBOTTOM BRANCH Maryland Fair 1936 90 5,522
ROCK CREEK Maryland Fair 1936 90 20,782
BR OF BYNUM RUN Maryland Fair 1936 90 14,221
BROAD CREEK Maryland Fair 1936 90 3,920
PATAPSCO FOREST ROAD Maryland Fair 1936 90 37,530
SLIGO CREEK Maryland Fair 1936 90 55,302
HILTON RUN Maryland Poor 1936 90 8,010
FISHERMAN CREEK Maryland Fair 1936 90 7,244
CHURCH CREEK Maryland Fair 1936 90 4,400
TOMAKOKIN CREEK Maryland Fair 1936 90 5,491

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