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
JOPLING RUN Pennsylvania Fair 1948 78 2,814
LAUREL RUN Pennsylvania Fair 1948 78 10,877
LAUREL RUN Pennsylvania Fair 1948 78 10,877
COMFORT RUN Pennsylvania Fair 1948 78 953
TRIB. TO SUSQ. RIVER Pennsylvania Fair 1948 78 7,388
TRIB. TO ROARING CREEK Pennsylvania Good 1948 78 317
TRIB SUSQUEHANNA RIVER Pennsylvania Good 1948 78 124
OVER THOMPSON CREEK Pennsylvania Fair 1948 78 3,212
OVER B&LE RAILROAD Pennsylvania Fair 1948 78 2,131
PEEBLES RUN Pennsylvania Fair 1948 78 2,212
RIDLEY CREEK Pennsylvania Fair 1948 78 14,523
EDDYSTONE AVENUE Pennsylvania Fair 1948 78 14,523
CONRAIL;LITTLE CRUM CRK. Pennsylvania Poor 1948 78 18,945
ELK CREEK Pennsylvania Fair 1948 78 3,617
ROCKY RUN Pennsylvania Fair 1948 78 2,867
OVER CONNEAUT CREEK Pennsylvania Fair 1948 78 522
POPLAR RUN Pennsylvania Fair 1948 78 842
JACOBS CREEK Pennsylvania Fair 1948 78 1,515
CHAMPION CREEK Pennsylvania Fair 1948 78 1,515
BIG SANDY CREEK Pennsylvania Fair 1948 78 86
ROCKY MT CREEK Pennsylvania Poor 1948 78 15,365
ROCKY MT CR Pennsylvania Fair 1948 78 1,272
TR.PATTERSON RUN Pennsylvania Fair 1948 78 833
PATTERSON RUN Pennsylvania Fair 1948 78 291
PALMER RUN Pennsylvania Fair 1948 78 410
OWL CREEK Pennsylvania Fair 1948 78 356
BATES FORK Pennsylvania Good 1948 78 64
TRIB.JUNIATA RIVER Pennsylvania Fair 1948 78 10,982
SR 3035 NORFOLK RR T565 Pennsylvania Fair 1948 78 10,982
CROOKED CREEK Pennsylvania Fair 1948 78 9,540
PRIVATE ROAD Pennsylvania Fair 1948 78 12,868
THREE LICK CREEK Pennsylvania Fair 1948 78 25
FRONT RUN Pennsylvania Fair 1948 78 200
TUSCARORA CREEK Pennsylvania Fair 1948 78 203
WILLOW RUN Pennsylvania Fair 1948 78 100
LACKA CO RR AUTHORITY Pennsylvania Poor 1948 78 5,627
ROARING BROOK Pennsylvania Fair 1948 78 5,627
Landis Run Pennsylvania Fair 1948 78 15,810
Pequea Creek Pennsylvania Fair 1948 78 26,775
Conestoga River Pennsylvania Fair 1948 78 5,921
HAMMER CK. Pennsylvania Fair 1948 78 24,971
MIDDLE CREEK Pennsylvania Fair 1948 78 24,971
MEETINGHOUSE CREEK Pennsylvania Poor 1948 78 245
PEDESTRIAN TRAIL Pennsylvania Good 1948 78 515
SLIPPERY ROCK CREEK Pennsylvania Good 1948 78 139
EARLAKILL RUN Pennsylvania Fair 1948 78 8,259
NORFOLK SOUTHERN RR Pennsylvania Fair 1948 78 5,026
OVER BONNELL RUN. Pennsylvania Fair 1948 78 119
OVER SPRING RUN Pennsylvania Fair 1948 78 195
OPEN BROOK Pennsylvania Fair 1948 78 452

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.