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
RACCOON CREEK TRIB Pennsylvania Fair 1903 123 15
RACCOON CREEK Pennsylvania Poor 1903 123 80
PIKE RUN Pennsylvania Good 1903 123 300
FRANKFORD CREEK Pennsylvania Poor 1903 123 12,916
SEPTA Pennsylvania Good 1903 123 9,300
PIGEON CREEK trib Pennsylvania Fair 1903 123 150
NORFOLK SOUTHERN R/R Pennsylvania Good 1903 123 3,479
MIDDLE CREEK Pennsylvania Poor 1904 122 75
ALLEGHENY VALLEY RR Pennsylvania Fair 1904 122 8,000
MAIDEN CREEK Pennsylvania Fair 1904 122 63
TOWANDA CREEK Pennsylvania Poor 1904 122 50
DELAWARE River Pennsylvania Fair 1904 122 5,600
DELAWARE RIVER Pennsylvania Fair 1904 122 10,300
DELAWARE River Pennsylvania Fair 1904 122 3,300
CRUM CREEK Pennsylvania Fair 1904 122 1,874
SOUTH BR. FRENCH CREEK Pennsylvania Fair 1904 122 136
EAST BR MAHONING CREEK Pennsylvania Fair 1904 122 40
WOODCOCK CREEK Pennsylvania Fair 1904 122 67
AMTRAK MAIN LINE Pennsylvania Poor 1904 122 3,659
OVER FRENCH CREEK TRIB Pennsylvania Fair 1904 122 213
Meadow Run Pennsylvania Poor 1904 122 55
TR Conococheague Creek Pennsylvania Fair 1904 122 10,617
E BR CONOCOCHEAGUE CR Pennsylvania Good 1904 122 100
SUMMIT LAKE CREEK Pennsylvania Fair 1904 122 5,417
BIG RUN Pennsylvania Fair 1904 122 8,919
LITTLE SWATARA CREEK Pennsylvania Poor 1904 122 50
LITTLE MUNCY CREEK Pennsylvania Good 1904 122 30
OVER MILL RUN Pennsylvania Fair 1904 122 267
NORFOLK SOUTHERN Pennsylvania Fair 1904 122 6,927
DELAWARE River Pennsylvania Fair 1904 122 4,500
GLADE RUN Pennsylvania Poor 1904 122
HALLOWING RUN Pennsylvania Poor 1904 122 25
LICK RUN Pennsylvania Good 1904 122 175
Zerbe Run Pennsylvania Poor 1904 122 400
SHERMAN CREEK Pennsylvania Fair 1904 122 75
LITTLE SCHUYLKILL RIVER Pennsylvania Good 1904 122 6,528
RACCOON CREEK TRIB Pennsylvania Fair 1904 122 10
RACCOON CREEK trib Pennsylvania Good 1904 122 40
RACCOON CREEK TRIB Pennsylvania Good 1904 122 20
SEWICKLEY CREEK Pennsylvania Poor 1904 122 227
POQUESSING CREEK Pennsylvania Fair 1904 122 22,647
MON RIVER & PRIVATE RR Pennsylvania Fair 1904 122 17,500
LIZARD CREEK Pennsylvania Fair 1904 122 350
Middle Creek Pennsylvania Good 1905 121 25
WYLIE RUN Pennsylvania Poor 1905 121 6,411
WASHINGTON BLVD (RT 8) Pennsylvania Fair 1905 121 7,850
N-S RR-ALLEGHENY PARK Pennsylvania Poor 1905 121 21,000
MCKINLEY RUN Pennsylvania Fair 1905 121 520
BLOCKHOUSE RUN Pennsylvania Fair 1905 121 50
SACONY CREEK Pennsylvania Poor 1905 121 65

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.