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
WHEELING CREEK TRIB Pennsylvania Fair 1887 139 50
ROBINSON FORK Pennsylvania Poor 1887 139 20
PIKE RUN Pennsylvania Poor 1887 139 500
YELLOW BREECHES CREEK Pennsylvania Poor 1887 139 263
ALLEGHENY CREEK Pennsylvania Fair 1888 138 1,625
NESHAMINY CREEK Pennsylvania Poor 1888 138 50
EAST BR BRANDYWINE CREEK Pennsylvania Poor 1888 138 290
TROUT CREEK Pennsylvania Poor 1888 138 50
POTATO CREEK Pennsylvania Poor 1888 138 450
SWAMP CREEK Pennsylvania Fair 1888 138 750
SHAMOKIN CREEK Pennsylvania Fair 1888 138 50
OVER OIL CREEK Pennsylvania Fair 1888 138 100
WISSAHICKON CREEK Pennsylvania Poor 1888 138 15,917
Wissahickon Creek Pennsylvania Fair 1888 138 3,400
MONTOUR RUN Pennsylvania Good 1889 137 650
DEER CREEK Pennsylvania Fair 1889 137 88
LITTLE SEWICKLEY CREEK Pennsylvania Fair 1889 137 266
BRUSH CREEK Pennsylvania Fair 1889 137 25
YELLOW CREEK Pennsylvania Fair 1889 137 20
TULPEHOCKEN CREEK Pennsylvania Poor 1889 137 11
MORRIS RUN Pennsylvania Fair 1889 137 200
LITTLE ELK CREEK Pennsylvania Poor 1889 137 427
WEST BR RED CLAY CREEK Pennsylvania Fair 1889 137 659
SOUTH BR. FRENCH CREEK Pennsylvania Poor 1889 137 565
OVER CONNEAUT CREEK Pennsylvania Fair 1889 137 250
YELLOW BREECHES CREEK Pennsylvania Fair 1889 137 2,808
BENNETT BR SINNEMAHONING Pennsylvania Good 1889 137 10
FRENCH CREEK Pennsylvania Poor 1889 137 30
FRANKSTOWN BR JUNIATA R Pennsylvania Good 1889 137 256
GREAT TROUGH CREEK Pennsylvania Poor 1889 137 82
SHAVER CREEK Pennsylvania Poor 1889 137 136
NESHANNOCK CREEK Pennsylvania Fair 1889 137 50
OVER PINE CREEK Pennsylvania Fair 1889 137 776
BERTSCH CREEK Pennsylvania Fair 1889 137 1,238
WHITE DEER HOLE CREEK Pennsylvania Poor 1889 137 13
OVER BROKENSTRAW CREEK Pennsylvania Poor 1889 137 148
RACCOON CREEK Pennsylvania Good 1889 137 15
DELAWARE RIVER Pennsylvania Fair 1889 137 180
Conewago Creek Pennsylvania Fair 1889 137 294
TOMS CREEK Pennsylvania Fair 1890 136 2,578
DAYS RUN Pennsylvania Poor 1890 136 1,899
MILLERS RUN Pennsylvania Fair 1890 136 1,300
MILLERS RUN Pennsylvania Fair 1890 136 250
MONTOUR RUN Pennsylvania Good 1890 136 5,216
UNAMI CREEK / 2806-E4 Pennsylvania Poor 1890 136 3,005
STONYCREEK RIVER Pennsylvania Fair 1890 136 34
BLACK CREEK Pennsylvania Poor 1890 136 50
OVER CONNEAUT OUTLET Pennsylvania Poor 1890 136 250
BIG SPRING CREEK Pennsylvania Fair 1890 136 251
HOOVERS RUN Pennsylvania Fair 1890 136 50

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.