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
STREETS RUN CREEK Pennsylvania Poor 1931 95 47
N-S RR /PAT/SASSAFRAS ST Pennsylvania Poor 1931 95 6,500
GIRTYS RUN Pennsylvania Fair 1931 95 2,500
ALLEGHENY RIVER Pennsylvania Fair 1931 95 22,150
T.RAYTWN.BR.JUNIATA RIV. Pennsylvania Fair 1931 95 1,391
FINN RUN Pennsylvania Poor 1931 95 1,391
PLUM CREEK Pennsylvania Fair 1931 95 2,601
WYOMISSING CREEK Pennsylvania Fair 1931 95 11,125
SINKING RUN Pennsylvania Fair 1931 95 406
RIGGLES GAP RUN Pennsylvania Fair 1931 95 1,538
WYSOX CREEK Pennsylvania Fair 1931 95 1,168
RUSSELL RUN Pennsylvania Fair 1931 95 788
TOHICKON CREEK Pennsylvania Fair 1931 95 2,202
NORTH BR.NESHAMINY CREEK Pennsylvania Fair 1931 95 5,796
BUCK CREEK Pennsylvania Fair 1931 95 6,954
BRANCH TOCHICKON CREEK Pennsylvania Fair 1931 95 9,856
BRANCH OF TOHICKON CREEK Pennsylvania Fair 1931 95 146
PAUNNACUSSING CREEK Pennsylvania Good 1931 95 153
COOKS CREEK Pennsylvania Poor 1931 95 200
DELAWARE RIVER Pennsylvania Fair 1931 95 26,315
DELAWARE River Pennsylvania Fair 1931 95 4,400
S.FORK BR.LT.CONEMAUGH Pennsylvania Fair 1931 95 596
NORFOLK SOUTHERN RR Pennsylvania Poor 1931 95 150
STONY CREEK Pennsylvania Fair 1931 95 833
WEST BR.WHITE CLAY CREEK Pennsylvania Poor 1931 95 644
BROAD RUN CREEK Pennsylvania Poor 1931 95 2,049
EAST BR BRANDYWINE CREEK Pennsylvania Fair 1931 95 3,479
E. BRANCH BIG ELK CREEK Pennsylvania Poor 1931 95 499
WHITESIDE RUN Pennsylvania Fair 1931 95 2,680
MUGSER RUN Pennsylvania Fair 1931 95 521
MILL RACE Pennsylvania Fair 1931 95 6,614
SEPTA (P&W) ROUTE 100 Pennsylvania Poor 1931 95 13,750
WEST BR.CHESTER CREEK Pennsylvania Fair 1931 95 8,345
DARBY CREEK Pennsylvania Poor 1931 95 13,380
POWERS RUN Pennsylvania Fair 1931 95 4,174
DOWNER RUN Pennsylvania Fair 1931 95 6,698
BEAVER CREEK Pennsylvania Poor 1931 95 736
YORK RUN Pennsylvania Poor 1931 95 550
TRIB.W.BR.LIT. ANTIETAM Pennsylvania Fair 1931 95 9,122
Conococheague Creek Pennsylvania Good 1931 95 2,125
SOUTH BRUSH CREEK Pennsylvania Poor 1931 95 309
HERODS RUN Pennsylvania Fair 1931 95 2,095
RUSH BROOK Pennsylvania Fair 1931 95 3,064
RUSHBROOK CREEK Pennsylvania Fair 1931 95 3,064
SO BR TUNKHANNOCK CREEK Pennsylvania Fair 1931 95 1,022
SOUTH BR TUNKHANNOCK CRK Pennsylvania Fair 1931 95 1,022
CONOY CREEK Pennsylvania Fair 1931 95 130
MILL CREEK Pennsylvania Fair 1931 95 2,897
LITTLE LEHIGH CREEK Pennsylvania Fair 1931 95 500
OVER LOYALSOCK CREEK Pennsylvania Fair 1931 95 13,126

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.