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
OVER FRENCH CREEK BRANCH Pennsylvania Fair 1940 86 1,779
OVER AVERILL RUN Pennsylvania Fair 1940 86 575
OVER BEAVER RUN Pennsylvania Fair 1940 86 333
E BR CONNEAUT CREEK Pennsylvania Poor 1940 86 71
CAMP RUN Pennsylvania Fair 1940 86 4,567
BACK CREEK Pennsylvania Fair 1940 86 247
GIST RUN Pennsylvania Fair 1940 86 1,970
MILL RUN Pennsylvania Poor 1940 86 112
MEADOW RUN Pennsylvania Fair 1940 86 736
JACOBS CREEK Pennsylvania Fair 1940 86 201
WASHINGTON RUN Pennsylvania Fair 1940 86 461
REDSTONE CREEK Pennsylvania Fair 1940 86 8,291
N BR BROWNS RUN TRIB Pennsylvania Poor 1940 86 500
BEAVER CREEK Pennsylvania Fair 1940 86 150
INDIAN CREEK Pennsylvania Poor 1940 86 10
BACK CREEK Pennsylvania Poor 1940 86 240
ROCK SPRG.BR.OF BACK CR. Pennsylvania Good 1940 86 1,684
LITTLE TONOLOWAY CREEK Pennsylvania Poor 1940 86 265
BRUSH CREEK Pennsylvania Poor 1940 86 41
LICKING CREEK Pennsylvania Fair 1940 86 51
MCKEES RUN Pennsylvania Fair 1940 86 133
SUGAR GROVE RUN Pennsylvania Fair 1940 86 10,583
MILL CREEK Pennsylvania Fair 1940 86 10,583
STANDING STONE CREEK Pennsylvania Good 1940 86 316
TRIB TO BRUSH CREEK Pennsylvania Poor 1940 86 168
BLACKLEGS CREEK Pennsylvania Poor 1940 86 241
Muddy Run Pennsylvania Good 1940 86 75
SOLDIER RUN Pennsylvania Fair 1940 86 1,585
STUMP CREEK Pennsylvania Fair 1940 86 1,484
PINE RUN Pennsylvania Good 1940 86 50
TUSCARORA CREEK Pennsylvania Fair 1940 86 782
LAUREL RUN Pennsylvania Fair 1940 86 552
DOE RUN Pennsylvania Poor 1940 86 208
DOE RUN Pennsylvania Fair 1940 86 513
MAHANTANGO CREEK Pennsylvania Fair 1940 86 365
CRANES RUN Pennsylvania Fair 1940 86 919
MAHANTANGO CREEK Pennsylvania Poor 1940 86 1,153
TUSCARORA CREEK Pennsylvania Fair 1940 86 151
LOST CREEK Pennsylvania Fair 1940 86 300
GEORGE CREEK Pennsylvania Fair 1940 86 100
VAN BRUNT CREEK Pennsylvania Poor 1940 86 6,398
VAN BRUNT CREEK Pennsylvania Poor 1940 86 3,999
WHITE OAK RUN Pennsylvania Poor 1940 86 520
ST JOHNS CREEK Pennsylvania Poor 1940 86 4,575
Trib to Conestoga River Pennsylvania Fair 1940 86 4,615
Little Conestoga Creek Pennsylvania Poor 1940 86 701
W BR OCTORARO CREEK Pennsylvania Fair 1940 86 245
MIDDLE CREEK Pennsylvania Poor 1940 86 260
MIDDLE CREEK Pennsylvania Poor 1940 86 105
COCALICO CREEK Pennsylvania Poor 1940 86 825

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.