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
BEAVER CREEK Pennsylvania Poor 1928 98 11,160
HAYCOCK CREEK Pennsylvania Fair 1928 98 100
DELAWARE RIV & NJ 29 SB Pennsylvania Fair 1928 98 14,200
CLAPBOARD RUN Pennsylvania Fair 1928 98 1,033
FOURMILE RUN Pennsylvania Fair 1928 98 1,571
GREENBRIAR GAP RUN Pennsylvania Fair 1928 98 343
WEST BR.BRANDYWINE CREEK Pennsylvania Fair 1928 98 6,155
EAST BRANCH BIG ELK CR. Pennsylvania Fair 1928 98 364
TAYLORS RUN Pennsylvania Fair 1928 98 5,723
WEST BR.BRANDYWINE CREEK Pennsylvania Fair 1928 98 741
BRANCH OF PICKERING CRK Pennsylvania Poor 1928 98 194
FRENCH CREEK Pennsylvania Poor 1928 98 321
PIGEON CREEK Pennsylvania Fair 1928 98 1,430
MUDDY RUN Pennsylvania Fair 1928 98 250
MILL RUN Pennsylvania Fair 1928 98 2,180
RAVEN CREEK Pennsylvania Poor 1928 98 150
CONODOGUINET CREEK Pennsylvania Fair 1928 98 7,952
HOFFER CREEK Pennsylvania Fair 1928 98 1,568
SPRING CREEK Pennsylvania Good 1928 98 17,021
SUSQUEHANNA RIVER (WEST) Pennsylvania Poor 1928 98 11,556
SUSQUEHANNA RIVER (EAST) Pennsylvania Fair 1928 98 11,556
SEPTA (WEST CHESTER R3) Pennsylvania Poor 1928 98 8,427
DARBY CREEK Pennsylvania Fair 1928 98 9,364
TROUT RUN Pennsylvania Fair 1928 98 2,886
DARBY CREEK Pennsylvania Fair 1928 98 7,425
SEPTA Pennsylvania Fair 1928 98 20,184
MARCUS HOOK CREEK/3806A7 Pennsylvania Poor 1928 98 6,717
DARBY CREEK Pennsylvania Fair 1928 98 4,066
DARBY CREEK Pennsylvania Poor 1928 98 1,554
LANGFORD RUN Pennsylvania Fair 1928 98 51
MILL POND Pennsylvania Poor 1928 98 161
CATS CREEK Pennsylvania Poor 1928 98 1,872
ALLEN RUN Pennsylvania Poor 1928 98 50
JENNINGS RUN Pennsylvania Poor 1928 98 500
DICKERSON RUN Pennsylvania Poor 1928 98 50
EBR Antietam Creek Pennsylvania Fair 1928 98 14,219
Conococheague Creek Pennsylvania Fair 1928 98 2,885
TENMILE CREEK Pennsylvania Fair 1928 98 884
CABALA RUN Pennsylvania Fair 1928 98 414
DELAWARE CREEK Pennsylvania Fair 1928 98 3,737
DOE RUN Pennsylvania Fair 1928 98 2,357
MILL RACE CREEK Pennsylvania Fair 1928 98 321
SOUTH BR TUNKHANNOCK CR Pennsylvania Fair 1928 98 1,453
SOUTH BR TUNKHANNOCK CK Pennsylvania Poor 1928 98 992
TRIB S BR TUNKHANNOCK CK Pennsylvania Fair 1928 98 992
MILL CREEK Pennsylvania Fair 1928 98 192
RACOON CREEK Pennsylvania Fair 1928 98 191
INDIANTOWN CREEK Pennsylvania Fair 1928 98 800
PINE CREEK Pennsylvania Poor 1928 98 1,278
BIG BLACK CREEK Pennsylvania Fair 1928 98 15,032

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.