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
CSX-N Y SHORT LINE Pennsylvania Good 1905 121 21,402
CSX RAILROAD Pennsylvania Fair 1905 121 25,141
CSX N.Y.SHORT LINE Pennsylvania Fair 1905 121 20,255
SEPTA Pennsylvania Fair 1905 121 5,500
Branch of Poquessing Crk Pennsylvania Fair 1905 121 300
THOMPSON RUN Pennsylvania Poor 1906 120 1,997
GEDDES RUN Pennsylvania Fair 1906 120 314
PINE RUN Pennsylvania Fair 1906 120 1,000
OVER MILL RUN Pennsylvania Fair 1906 120 8,201
OVER MILL RUN Pennsylvania Fair 1906 120 1,500
OVER MILL RUN Pennsylvania Fair 1906 120 1,500
OVER MILL RUN Pennsylvania Fair 1906 120 2,500
OVER MILL RUN Pennsylvania Fair 1906 120 3,500
MILL RACE Pennsylvania Fair 1906 120 4,717
SEPTA (P&W) Pennsylvania Fair 1906 120 10,652
WEST CREEK Pennsylvania Fair 1906 120 650
MACOBY CREEK Pennsylvania Fair 1906 120 1,209
SHAMOKIN CREEK Pennsylvania Poor 1906 120 600
KISKIMINETAS & NS R/R Pennsylvania Poor 1906 120 398
CONRAIL (ABANDONED) Pennsylvania Fair 1906 120 79,131
COBBS CREEK Pennsylvania Poor 1906 120 6,335
SEPTA Pennsylvania Fair 1906 120 2,800
NORFOLK SOUTHERN RR Pennsylvania Fair 1907 119 1,750
N-S RR WAVERLY AVE PAT Pennsylvania Poor 1907 119 4,000
IRONSTONE CREEK Pennsylvania Fair 1907 119 4,748
SIXPENNY CREEK Pennsylvania Fair 1907 119 175
SUGAR CREEK Pennsylvania Poor 1907 119 100
LITTLE BUFFALO RUN Pennsylvania Poor 1907 119 200
BONNIE BROOK Pennsylvania Poor 1907 119 300
SHAMONA CREEK Pennsylvania Fair 1907 119 560
OVER CONNEAUT CREEK TRIB Pennsylvania Good 1907 119 978
OVER MUDDY CREEK Pennsylvania Good 1907 119 517
COBBS CREEK Pennsylvania Fair 1907 119 1,200
W BR CONOCOCHEAGUE CREEK Pennsylvania Poor 1907 119 518
NORFOLK SOUTHERN RR Pennsylvania Poor 1907 119 8,272
NORFOLK SOUTHERN RR Pennsylvania Fair 1907 119 4,902
PEDESTRIAN TRAIL Pennsylvania Good 1907 119 105
OVER ROARING BRANCH Pennsylvania Fair 1907 119 164
TOWAMENCIN CREEK Pennsylvania Good 1907 119 811
PARK CREEK Pennsylvania Fair 1907 119 7,612
MUD CREEK Pennsylvania Poor 1907 119 1
JACOBY CREEK Pennsylvania Fair 1907 119 2,297
OSWAYO CREEK Pennsylvania Poor 1907 119 50
BEAVER DAM CREEK Pennsylvania Fair 1907 119 25
OVER WNYP R.R. Pennsylvania Poor 1907 119 50
OVER PINE CREEK Pennsylvania Poor 1907 119 50
BRANCH OF PETERS CREEK Pennsylvania Fair 1907 119 11,534
Little Daniels Run Pennsylvania Good 1907 119 50
YOUGHIOGHENY RIVER Pennsylvania Poor 1907 119 6,557
OTTER CREEK Pennsylvania Poor 1907 119 333

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.