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
L.C.&N.R.R.{ABND.} Pennsylvania Fair 1921 105 4,836
TRIB. TO MAHONING CREEK Pennsylvania Fair 1921 105 3,388
BRANCH PICKERING CREEK Pennsylvania Fair 1921 105 6,477
EAST BR. BRANDYWINE CK. Pennsylvania Poor 1921 105 18,163
CRUM CREEK Pennsylvania Fair 1921 105 1,797
E. BRANCH BIG ELK CREEK Pennsylvania Poor 1921 105 1,154
BEAR RUN Pennsylvania Fair 1921 105 2,317
LITTLE ANDERSON CREEK Pennsylvania Fair 1921 105 2,732
MUGSER RUN Pennsylvania Poor 1921 105 50
TRIBUTARY TO MUD RUN Pennsylvania Poor 1921 105 120
OVER CROOKED CREEK TRIB Pennsylvania Fair 1921 105 2,552
ARMSTRONG CREEK Pennsylvania Fair 1921 105 6,189
SWATARA CREEK Pennsylvania Fair 1921 105 4,126
DARBY CREEK Pennsylvania Poor 1921 105 1,971
OPOSSUM RUN Pennsylvania Fair 1921 105 500
CAMP RUN Pennsylvania Poor 1921 105 100
CASTILE RUN Pennsylvania Poor 1921 105 214
RUDOLPH RUN Pennsylvania Poor 1921 105 14
TUSCARORA CREEK Pennsylvania Fair 1921 105 58
STRAIGHT RUN Pennsylvania Poor 1921 105 91
STONEY RUN Pennsylvania Poor 1921 105 2,314
DOYLE RUN Pennsylvania Poor 1921 105 172
Shirks Run Pennsylvania Fair 1921 105 8,050
W BR OCTORARO CREEK Pennsylvania Poor 1921 105 50
TRIB TO STEWART RUN Pennsylvania Poor 1921 105 155
CHIQUES CREEK Pennsylvania Fair 1921 105 310
MILL CREEK Pennsylvania Fair 1921 105 365
ONTELAUNEE CREEK Pennsylvania Fair 1921 105 3,006
COPLAY CREEK Pennsylvania Fair 1921 105 7,751
TROUT CREEK Pennsylvania Fair 1921 105 50
OVER TRIB TO SUSQUEHANNA Pennsylvania Fair 1921 105 4,462
OVER TOMBS RUN Pennsylvania Fair 1921 105 192
IRON HOLLOW RUN Pennsylvania Poor 1921 105 2,049
HONEY CREEK Pennsylvania Fair 1921 105 5,997
WARRIOR RUN Pennsylvania Fair 1921 105 448
HALLOWING RUN Pennsylvania Fair 1921 105 238
OVER MUDDY RUN Pennsylvania Good 1921 105 650
CATAWISSA CREEK Pennsylvania Poor 1921 105 50
MILL CREEK Pennsylvania Poor 1921 105 50
SWAMP CREEK Pennsylvania Poor 1921 105 1,370
TRIB.TO BENS CREEK Pennsylvania Fair 1921 105 1,285
OVER MILL CREEK Pennsylvania Poor 1921 105 382
PIKE RUN Pennsylvania Poor 1921 105 187
CHARTIERS CREEK Pennsylvania Fair 1921 105 20
POQUESSING CREEK Pennsylvania Fair 1921 105 53,180
SEPTA Pennsylvania Fair 1921 105 58,754
WOODEN BRIDGE RUN Pennsylvania Good 1921 105 17,735
SEPTA (Chestnut Hill W.) Pennsylvania Good 1921 105 2,600
TRIB SLIPPERY ROCK CREEK Pennsylvania Poor 1921 105 300
Krause Ln; West St. Pennsylvania Fair 1921 105 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.