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
C&O CANAL Maryland Fair 1890 136 159
WESTERN RUN Maryland Fair 1893 133 3,524
LITTLE GUNPOWDER FALLS Maryland Fair 1894 132 552
JONES FALLS FALLS RD RR Maryland Fair 1895 131 20,361
MIDDLE CREEK Maryland Fair 1897 129 460
GUNPOWDER FALLS Maryland Fair 1898 128 275
BRADDOCK RUN Maryland Good 1900 126 599
FLINTSTONE CREEK Maryland Fair 1900 126 1,121
WARRIOR RUN Maryland Fair 1900 126 15,191
TRIB TO NORTH BR POTOMAC Maryland Fair 1900 126 7,111
MILL RUN Maryland Fair 1900 126 7,111
GWYNNS FALLS Maryland Fair 1900 126 20,280
NORTH BRANCH Maryland Fair 1900 126 900
NORTH BRANCH Maryland Fair 1900 126 5,500
MASON BRANCH Maryland Fair 1900 126 2,942
LITTLE PIPE CREEK Maryland Fair 1900 126 400
OCTORARO CREEK Maryland Fair 1900 126 3,250
BR OF NORTHEAST CREEK Maryland Fair 1900 126 2,360
MILL RUN Maryland Fair 1900 126 3,990
PAGES SWAMP Maryland Fair 1900 126 5,771
YOUGHIOGHENY RIVER Maryland Poor 1900 126 1,660
LITTLE PATUXENT RIVER Maryland Fair 1900 126 20,330
WESTERN BRANCH Maryland Fair 1900 126 11,061
WATTS BRANCH Maryland Fair 1900 126 23,842
RED LION BRANCH Maryland Fair 1900 126 2,182
PASSERDYKE CREEK Maryland Fair 1900 126 27,695
NORWICH CREEK Maryland Fair 1900 126 310
LITTLE CONOCOCHEAGUE CRE Maryland Fair 1900 126 3,912
LANDIS SPRING BRANCH Maryland Fair 1900 126 6,082
MARSH RUN Maryland Fair 1900 126 12,172
BEAVER CREEK Maryland Fair 1900 126 4,961
BEAVER CREEK Maryland Fair 1900 126 599
WILLS CREEK Maryland Fair 1900 126 142
BRADDOCK RUN Maryland Fair 1900 126 135
LITTLE FALLS Maryland Good 1900 126 521
NO. 9 TROLLEY TRAIL Maryland Fair 1900 126 1,741
AMTRAK Maryland Fair 1900 126 9,999
STONEY RUN Maryland Poor 1900 126 4,280
CHINQUAPIN RUN Maryland Fair 1900 126 11,996
NORFOLK SOUTHERN RAILROA Maryland Fair 1900 126 14,403
CSX RAILROAD Maryland Fair 1900 126 27,130
MINEBANK RUN Maryland Fair 1900 126 309
FALLSWAY Maryland Fair 1900 126 1,695
AMTRAK RAILROAD Maryland Fair 1900 126 3,598
CSX RAILROAD Maryland Poor 1900 126 10,713
CSX RAILROAD Maryland Fair 1900 126 7,434
CSX Maryland Fair 1900 126 10,312
LITTLE NORTHEAST CREEK Maryland Fair 1900 126 4,014
BASIN RUN Maryland Fair 1900 126 165
MONOCACY RIVER Maryland Fair 1900 126 260

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.