Historic Bridges in Pennsylvania

6,062 bridges built before 1951 in Pennsylvania still in service today.

Bridges Built Before 1951

The United States has 6,062 bridges in Pennsylvania 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
SWAMP CREEK Pennsylvania Fair 1860 166 595
MILL CREEK Pennsylvania Fair 1860 166 900
BRANCH BRANDYWINE CREEK Pennsylvania Fair 1860 166 2,283
POWELLS CREEK Pennsylvania Poor 1860 166 6,935
PINE CREEK Pennsylvania Poor 1860 166 320
Conococheague Creek Pennsylvania Fair 1860 166 2,696
PEQUEA CREEK Pennsylvania Fair 1860 166 400
JORDAN CREEK Pennsylvania Fair 1860 166 200
LOWER LITTLE SWATARA CR Pennsylvania Good 1860 166 50
LOWER LITTLE SWATARA CR Pennsylvania Good 1860 166 50
Sherman Creek Pennsylvania Fair 1864 162 159
24TH STREET Pennsylvania Good 1864 162 8,914
VALLEY CR. 3365-G7 Pennsylvania Fair 1865 161 1,604
ROARING CREEK Pennsylvania Fair 1865 161
SHAWNEE CREEK Pennsylvania Good 1866 160 50
FRENCH CREEK Pennsylvania Good 1866 160 3,524
DUNNING CREEK Pennsylvania Good 1867 159 60
FRENCH CREEK Pennsylvania Fair 1867 159 3,326
VALLEY CREEK Pennsylvania Poor 1867 159 1,831
CONESTOGA RIVER Pennsylvania Fair 1867 159 425
VANDERMARK CREEK Pennsylvania Poor 1867 159 50
MANATAWNY CREEK Pennsylvania Fair 1868 158 255
MAIDEN CREEK Pennsylvania Good 1869 157 206
SACONY CREEK Pennsylvania Poor 1869 157 113
CHIQUES CREEK Pennsylvania Poor 1869 157 750
CONODOGUINET CREEK Pennsylvania Fair 1870 156 248
LITTLE LEHIGH CREEK Pennsylvania Poor 1870 156 500
CABIN RUN Pennsylvania Fair 1871 155 100
PEQUEA CREEK Pennsylvania Fair 1871 155 410
SHERMAN CREEK Pennsylvania Fair 1871 155 400
FLOOD CHANNEL Pennsylvania Fair 1871 155 100
MORRIS RUN Pennsylvania Poor 1872 154 2,464
TINICUM CREEK Pennsylvania Fair 1872 154 100
E BR OF BRANDYWINE CREEK Pennsylvania Fair 1872 154 1,061
TOHICKON CREEK Pennsylvania Fair 1873 153 187
PIDCOCK CREEK Pennsylvania Fair 1873 153 100
COOKS CREEK Pennsylvania Poor 1873 153 100
W BR SUSQUEHANNA RIVER Pennsylvania Fair 1873 153 135
LITTLE CONESTOGA CREEK Pennsylvania Fair 1873 153 500
DURELL CREEK Pennsylvania Fair 1874 152 50
CABIN RUN (COVERED BRDG) Pennsylvania Fair 1874 152 597
EAST BR. PERKIOMEN CREEK Pennsylvania Fair 1874 152 1,592
TROUT/MASCHELLAMAC CREEK Pennsylvania Poor 1874 152 17,059
W BR NESHAMINY CREEK Pennsylvania Fair 1874 152 8,535
SCHWABEN CREEK Pennsylvania Fair 1874 152 25
SHORT CREEK Pennsylvania Good 1874 152 112
PINE RUN Pennsylvania Good 1875 151 5,128
PENNSYLVANIA CANAL Pennsylvania Good 1875 151 200
PIDCOCK CREEK Pennsylvania Poor 1875 151 150
MILL CREEK Pennsylvania Fair 1875 151 201

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.