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
MINARD RUN Pennsylvania Poor 1931 95 250
BIG RUN Pennsylvania Fair 1931 95 2,136
MACOBY CREEK Pennsylvania Poor 1931 95 731
W. BR. PERKIOMEN CREEK Pennsylvania Poor 1931 95 2,689
PERKIOMEN CREEK Pennsylvania Fair 1931 95 2,973
SANDY RUN Pennsylvania Poor 1931 95 8,478
SEPTA Pennsylvania Poor 1931 95 8,669
SAW MILL RUN CREEK Pennsylvania Fair 1931 95 6,882
SANATOGA CREEK Pennsylvania Poor 1931 95 1,153
WISSAHICKON CREEK Pennsylvania Fair 1931 95 7,035
HARTENSTINE CREEK Pennsylvania Fair 1931 95 13,785
MILL CREEK Pennsylvania Fair 1931 95 770
MIDDLE CREEK Pennsylvania Fair 1931 95 250
STONY RUN Pennsylvania Fair 1931 95 200
SAW MILL RUN Pennsylvania Poor 1931 95 4,000
OVER SCHWABEN CREEK Pennsylvania Fair 1931 95 740
LITTLE BUSHKILL CREEK Pennsylvania Poor 1931 95 300
PINE CREEK Pennsylvania Fair 1931 95 934
MAHANTANGO CREEK Pennsylvania Fair 1931 95 66
S FORK BRANCH BENS CREEK Pennsylvania Poor 1931 95 1,285
OVER TROUT RUN Pennsylvania Fair 1931 95 949
OVER DRY RUN Pennsylvania Fair 1931 95 1,993
OVER PATCHEL RUN Pennsylvania Fair 1931 95 515
OVER MATTHEWS RUN Pennsylvania Poor 1931 95 1,107
OVER BROWN RUN Pennsylvania Fair 1931 95 1,105
OVER PINE VALLEY BROOK Pennsylvania Fair 1931 95 486
OVER GLADE RUN Pennsylvania Good 1931 95 7,611
MINGO RUN Pennsylvania Poor 1931 95 6,966
TENMILE CREEK Pennsylvania Poor 1931 95 242
NINE MILE RUN Pennsylvania Fair 1931 95 24,684
BARREN RUN Pennsylvania Fair 1931 95 2,589
TRIB SUSQUEHANNA RIVER Pennsylvania Fair 1931 95 2,851
MONROE CREEK Pennsylvania Poor 1931 95 1,695
FISHING CREEK Pennsylvania Fair 1931 95 2,205
CABIN CREEK Pennsylvania Fair 1931 95 2,577
STONY RUN Pennsylvania Fair 1931 95 150
MANHATTAN RUN Pennsylvania Fair 1931 95 1,500
SCHUYLKILL EXPRESSWAY Pennsylvania Fair 1931 95 18,011
WISSAHICKON CR;LINCOLN D Pennsylvania Fair 1931 95 28,435
30th Street (Lower) Pennsylvania Poor 1931 95 8,500
Conrail & B&O Railroad Pennsylvania Fair 1931 95 75,000
CONRAIL (Richmond Br) Pennsylvania Fair 1931 95 2,000
Pennypack Creek Pennsylvania Fair 1931 95 11,600
LONG RUN Pennsylvania Fair 1931 95 100
ABANDONED RR Pennsylvania Fair 1931 95 21,000
ABANDONED RR Pennsylvania Fair 1931 95 21,000
MEADOW BROOK Pennsylvania Fair 1931 95 3,000
TRIB TO QUAKER RUN Pennsylvania Fair 1932 94 4,982
CONEWAGO CREEK Pennsylvania Fair 1932 94 1,685
MUD CREEK Pennsylvania Fair 1932 94 1,174

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.