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
OXBOW CREEK Pennsylvania Poor 1948 78 423
OXBOW CREEK Pennsylvania Fair 1948 78 423
Norfolk Southern RR Pennsylvania Fair 1948 78 46,585
SEAKS RUN Pennsylvania Fair 1948 78 862
LITTLE CONEWAGO CREEK Pennsylvania Poor 1948 78 7,454
FISHING CREEK Pennsylvania Fair 1948 78 1,080
TYLER RUN Pennsylvania Fair 1948 78 4,610
HUNTING PARK AVE Pennsylvania Fair 1948 78 9,678
Cobbs Creek Pennsylvania Fair 1948 78 19,500
MILL RUN Pennsylvania Good 1948 78 786
East Branch Indian Creek Pennsylvania Fair 1948 78 500
TRIB TO CONEWAGO CREEK Pennsylvania Fair 1949 77 6,834
MARSH CREEK Pennsylvania Fair 1949 77 358
CLIFFMINE RD MONTOUR RN Pennsylvania Fair 1949 77 62,719
NSRR (Abdn) Allegheny R Pennsylvania Fair 1949 77 36,878
SUNFISH RUN Pennsylvania Fair 1949 77 172
PUCKETA CREEK Pennsylvania Good 1949 77 11,857
MC CLARENS RUN Pennsylvania Good 1949 77 23,000
CSX (3RIV)& PACIFIC AVE Pennsylvania Poor 1949 77 3,300
NORFOLK SOUTHERN RR Pennsylvania Poor 1949 77 643
TRIB TO REDBANK CR Pennsylvania Fair 1949 77 267
HICKORY BOTTOM CREEK Pennsylvania Fair 1949 77 3,916
BR.TOWN CREEK Pennsylvania Fair 1949 77 226
BOBS CREEK Pennsylvania Fair 1949 77 433
TRIB.MANATAWNY CREEK Pennsylvania Fair 1949 77 8,579
TRIB. TO IRONSTONE CREEK Pennsylvania Fair 1949 77 8,562
TULPEHOCKEN CREEK Pennsylvania Fair 1949 77 8,670
LITTLE SWATARA CREEK Pennsylvania Poor 1949 77 2,801
TRIB SCHUYLKILL RIV Pennsylvania Fair 1949 77 5,108
TRIB SCHUYLKILL RIV Pennsylvania Fair 1949 77 5,108
WYOMISSING CREEK Pennsylvania Fair 1949 77 1,556
TRIB TO PINE CREEK Pennsylvania Poor 1949 77 270
MILL RUN Pennsylvania Good 1949 77 8,276
CHEMUNG RIVER OVERFLOW C Pennsylvania Fair 1949 77 2,602
DEER LICK CREEK Pennsylvania Fair 1949 77 1,797
TRIB. TO SATTERLEE CREEK Pennsylvania Fair 1949 77 779
MILL CREEK Pennsylvania Fair 1949 77 13,629
TRIB TO MUDDY CREEK Pennsylvania Poor 1949 77 13,364
HICKORY RUN Pennsylvania Fair 1949 77 512
MAHONING CREEK Pennsylvania Fair 1949 77 910
W BR SUSQUEHANNA RIVER Pennsylvania Fair 1949 77 1,757
BRANCH BEAVER RUN Pennsylvania Poor 1949 77 166
ANDERSON CREEK Pennsylvania Fair 1949 77 5,076
TRIB TO SUSQUEHANNA R. Pennsylvania Fair 1949 77 8,875
OVER OIL CREEK Pennsylvania Fair 1949 77 2,842
PA TPK (I-76) Pennsylvania Good 1949 77 200
PA TPK (I-76) Pennsylvania Good 1949 77 200
HOGESTOWN RUN Pennsylvania Fair 1949 77 21,790
LR21012 SR1007 Pennsylvania Fair 1949 77 20,357
PA TPK (I-76) Pennsylvania Fair 1949 77 11,666

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.