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
MUDDY RUN Pennsylvania Fair 1940 86 515
CHIQUES CREEK Pennsylvania Fair 1940 86 600
CONOY CREEK Pennsylvania Fair 1940 86 2,070
SANTO DOMINGO CREEK Pennsylvania Fair 1940 86 3,565
MCKEE RUN Pennsylvania Fair 1940 86 1,011
MCKEE RUN Pennsylvania Fair 1940 86 1,200
SLIPPERY ROCK CREEK Pennsylvania Fair 1940 86 179
HICKORY CREEK Pennsylvania Poor 1940 86 491
NESHANNOCK WEST BRANCH Pennsylvania Poor 1940 86 150
HICKORY RUN Pennsylvania Poor 1940 86 50
TULPEHOCKEN CREEK Pennsylvania Poor 1940 86 8,640
MONROE CREEK Pennsylvania Poor 1940 86 542
TRIB SWATARA CREEK Pennsylvania Fair 1940 86 100
TRIB TO SWATARA CK Pennsylvania Fair 1940 86 100
SNITZ CREEK Pennsylvania Fair 1940 86 375
NORFOLK SOUTHERN RR Pennsylvania Good 1940 86 15,826
TRIB. TO SAUCON CREEK Pennsylvania Fair 1940 86 996
JORDAN CREEK Pennsylvania Fair 1940 86 50
HUNLOCK CREEK Pennsylvania Poor 1940 86 6,406
LITTLE WAPWALLOPEN CREEK Pennsylvania Poor 1940 86 1,253
SR 0309 TR 309 Pennsylvania Poor 1940 86 1,265
LEONARD CREEK Pennsylvania Fair 1940 86 1,930
SUTTONS CREEK Pennsylvania Fair 1940 86 862
LITTLE PINE CREEK Pennsylvania Fair 1940 86 698
OVER MOSQUITO CREEK Pennsylvania Good 1940 86 2,129
LARRYS CREEK Pennsylvania Fair 1940 86 207
MOSQUITO CREEK Pennsylvania Good 1940 86 300
SLACKS RUN Pennsylvania Poor 1940 86 108
MILL CREEK Pennsylvania Fair 1940 86 100
SUGAR RUN Pennsylvania Fair 1940 86 50
WILLOW CREEK Pennsylvania Poor 1940 86 520
BENNETT BROOK Pennsylvania Poor 1940 86 100
TWO MILE RUN Pennsylvania Fair 1940 86 100
BREWER RUN Pennsylvania Fair 1940 86 100
BEAVER DAM RUN Pennsylvania Fair 1940 86 700
BRODHEAD CREEK Pennsylvania Fair 1940 86 3,060
POND CREEK Pennsylvania Fair 1940 86 5,948
MARSHALLS CREEK Pennsylvania Fair 1940 86 5,948
MARSHALLS CREEK Pennsylvania Fair 1940 86 5,948
MILL CREEK Pennsylvania Fair 1940 86 10
CHAPPLE CREEK Pennsylvania Fair 1940 86 100
DOTTERS CREEK Pennsylvania Fair 1940 86 250
CHERRY CREEK Pennsylvania Poor 1940 86 38
CHERRY CREEK Pennsylvania Poor 1940 86 27
SCHOOL HOUSE RUN Pennsylvania Fair 1940 86 1,300
BUSHKILL CREEK Pennsylvania Fair 1940 86 3,335
OVER DELWARE RUN Pennsylvania Fair 1940 86 850
TRIB NORTH BR SUSQ RVR Pennsylvania Good 1940 86 2,085
OVER LITTLE ROARING CR. Pennsylvania Good 1940 86 139
OVER MAHANOY CREEK Pennsylvania Fair 1940 86 1,104

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.