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 MOUSE RUN Pennsylvania Fair 1922 104 1,228
UNT to Susq. River Pennsylvania Fair 1922 104 3,150
PINE CREEK Pennsylvania Fair 1922 104 2,857
RBM&NRR Pennsylvania Poor 1922 104 3,420
MAHANTANGO CREEK Pennsylvania Fair 1922 104 66
DEEP CREEK Pennsylvania Poor 1922 104 100
DEEP CREEK Pennsylvania Poor 1922 104 150
DEEP CREEK Pennsylvania Fair 1922 104 200
LIZARD CREEK Pennsylvania Fair 1922 104 600
T.TO MAHANTANGO CREEK Pennsylvania Fair 1922 104 211
TRIB SUSQUEHANNA RIVER Pennsylvania Fair 1922 104 106
KERN RUN Pennsylvania Fair 1922 104 460
NORTH FORK OF BENS CREEK Pennsylvania Fair 1922 104 2,072
LITTLE GLADE RUN Pennsylvania Poor 1922 104 25
COXES CREEK Pennsylvania Poor 1922 104 25
OVER BEAR RUN Pennsylvania Good 1922 104 49
OVER JACKSON RUN Pennsylvania Poor 1922 104 2,727
BRANCH OF CROSS CREEK Pennsylvania Fair 1922 104 163
CHARTIERS CREEK Pennsylvania Poor 1922 104 200
ROBBS RUN Pennsylvania Poor 1922 104 500
TRIB W BR LACKAWAX RIVER Pennsylvania Fair 1922 104 244
AMTRAK MAIN LINE N-S Pennsylvania Fair 1922 104 11,432
SEPTA Pennsylvania Good 1922 104 2,500
CSX Pennsylvania Fair 1922 104 5,700
Trib to Northkill Ck Pennsylvania Fair 1922 104 357
NORTH BR. NESHAMANY CRK. Pennsylvania Fair 1922 104 400
UNION RAILROAD Pennsylvania Fair 1923 103 9,286
SUGAR CREEK Pennsylvania Fair 1923 103 2,748
SUGAR CREEK Pennsylvania Fair 1923 103 2,748
WILLOW CREEK Pennsylvania Poor 1923 103 5,329
MILL CREEK Pennsylvania Fair 1923 103 782
LITTLE MANATAWNY CREEK Pennsylvania Poor 1923 103 307
TAYLERS CREEK Pennsylvania Fair 1923 103 1,588
TRIB.OF DELAWARE RIVER Pennsylvania Fair 1923 103 2,382
BR.LITTLE NESHAMINY CR. Pennsylvania Fair 1923 103 14,595
S BR SLIPPERY ROCK CR Pennsylvania Fair 1923 103 100
LITTLE BUFFALO RUN Pennsylvania Poor 1923 103 450
W. BR. BRANDYWINE CREEK Pennsylvania Fair 1923 103 2,237
BIRCH RUN Pennsylvania Poor 1923 103 432
EAST BRANCH RED CLAY CR. Pennsylvania Fair 1923 103 2,912
POCOPSON CREEK Pennsylvania Fair 1923 103 1,356
VALLEY CREEK Pennsylvania Fair 1923 103 1,497
W BR BRANDYWINE CREEK Pennsylvania Fair 1923 103 3,775
W BR. WHITE CLAY CREEK Pennsylvania Fair 1923 103 1,530
LITTLE LICKING CREEK Pennsylvania Fair 1923 103 3,331
MOSHANNON CREEK Pennsylvania Fair 1923 103 2
TRIB TO FISHING CREEK Pennsylvania Poor 1923 103 945
GREEN CREEK Pennsylvania Poor 1923 103 50
NORFOLK SO. Pennsylvania Fair 1923 103 15,837
KELLOCK RUN Pennsylvania Fair 1923 103 1,875

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.