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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 FALLS Maryland Fair 1809 217 499
ANTIETAM CREEK Maryland Fair 1823 203 6,082
BEAVER CREEK Maryland Fair 1824 202 2,592
ANTIETAM CREEK Maryland Fair 1824 202 778
CONOCOCHEAGUE CREEK Maryland Fair 1829 197 4,532
CONOCOCHEAGUE CREEK Maryland Good 1829 197 265
GROVE CREEK Maryland Fair 1830 196 194
ANTIETAM CREEK Maryland Fair 1830 196 1,173
ANTIETAM CREEK Maryland Fair 1832 194 720
LITTLE ANTIETAM CREEK Maryland Good 1832 194 362
ANTIETAM CREEK Maryland Fair 1833 193 2,592
ANTIETAM CREEK Maryland Good 1833 193 12,292
ANTIETAM STREET Maryland Fair 1836 190 2,730
ANTIETAM CREEK Maryland Good 1839 187 1,470
ANTIETAM CREEK Maryland Good 1839 187 1,698
SAVAGE RIVER Maryland Fair 1840 186 4
ANTIETAM CREEK Maryland Good 1840 186 1,698
ANTIETAM CREEK Maryland Good 1841 185 1,698
LITTLE ANTIETAM CREEK Maryland Fair 1850 176 1,560
OWENS CREEK Maryland Good 1856 170 1,170
LITTLE ANTIETAM CREEK Maryland Fair 1858 168 1,173
FISHING CREEK Maryland Fair 1860 166 298
BIG ELK CREEK Maryland Fair 1860 166 10
ANTIETAM CREEK Maryland Good 1863 163 580
CABIN JOHN CREEK Maryland Fair 1863 163 12,300
LITTLE GUNPOWDER FALLS Maryland Fair 1865 161 548
OWENS CREEK Maryland Fair 1869 157 843
TOMS CREEK Maryland Fair 1876 150 470
CATOCTIN CREEK Maryland Poor 1878 148 390
CARROLL BRANCH Maryland Fair 1879 147 2,534
TOWSON RUN Maryland Fair 1879 147 896
C&O CANAL Maryland Fair 1879 147 200
CATOCTIN CREEK Maryland Fair 1880 146 136
OWENS CREEK Maryland Fair 1882 144 360
DEER CREEK Maryland Poor 1883 143 70
GUNPOWDER FALLS Maryland Fair 1884 142 300
OCTORARO CREEK Maryland Fair 1884 142 1,279
BASIN RUN Maryland Fair 1884 142 526
CSXT RAILROAD Maryland Poor 1885 141 109
CONOWINGO CREEK Maryland Fair 1885 141 136
CASSELMAN RIVER Maryland Poor 1885 141 130
LITTLE GUNPOWDER FALLS Maryland Fair 1886 140 223
GWYNNS FALLS Maryland Fair 1887 139 20,504
OWENS CREEK Maryland Good 1887 139 59
GUNPOWDER FALLS Maryland Poor 1888 138 2,589
MIDDLE CREEK Maryland Fair 1889 137 1,951
HUNTING CREEK Maryland Fair 1890 136 135
LITTLE PIPE CREEK Maryland Fair 1890 136 200
SIDELING HILL CREEK Maryland Fair 1890 136 66
BEAVER CREEK Maryland Fair 1890 136 678

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