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
SEPTA (CHESTNUT HILL) Pennsylvania Fair 1894 132 4,709
SEPTA Pennsylvania Poor 1894 132 5,000
Shurs Lane Pennsylvania Good 1894 132 2,500
BULL CREEK Pennsylvania Fair 1895 131 9,826
EAST BR.PERKIOMEN CREEK Pennsylvania Good 1895 131 50
SEPTA Pennsylvania Poor 1895 131 4,918
SO BR TUNKHANNOCK CREEK Pennsylvania Poor 1895 131 30
OVER WOLF CREEK Pennsylvania Fair 1895 131 153
Dugan Road Pennsylvania Good 1895 131 8
BENS CREEK Pennsylvania Fair 1895 131 50
CEDAR RUN Pennsylvania Fair 1895 131 22
LITTLE SANDY CREEK Pennsylvania Poor 1895 131 50
N BRANCH CALKINS CREEK Pennsylvania Poor 1895 131 50
EQUINUNK CREEK Pennsylvania Poor 1895 131 60
READING RAILROAD;ROAD Pennsylvania Good 1895 131 27,908
Schuylkill River Pennsylvania Poor 1895 131 18,650
CSX RAILROAD BOUNDARY ST Pennsylvania Fair 1896 130 14,000
PANTH HOLLOW UNKNOWN STR Pennsylvania Fair 1896 130 13,500
LITTLE FISHING CREEK Pennsylvania Fair 1896 130 100
OVER MILL RUN Pennsylvania Fair 1896 130 8,153
OVER OIL CREEK EAST BR. Pennsylvania Fair 1896 130 250
OVER WOODCOCK CREEK Pennsylvania Fair 1896 130 250
OVER CONNEAUT CREEK Pennsylvania Fair 1896 130 250
CONODOGUINET CREEK Pennsylvania Poor 1896 130 439
SHADE CREEK Pennsylvania Fair 1896 130 50
AMTRAK Pennsylvania Good 1896 130 507
FREYS RUN Pennsylvania Poor 1896 130 1,699
DELAWARE RIVER Pennsylvania Fair 1896 130 18,700
WARRIOR RUN Pennsylvania Fair 1896 130 50
BERMUDIAN CREEK Pennsylvania Poor 1896 130 101
PENNYPACK CREEK Pennsylvania Fair 1896 130 10,504
CSX RR TUNNELS Pennsylvania Poor 1896 130 37,818
Chamounix Drive Pennsylvania Fair 1896 130 17,999
OVER CONNEAUT OUTLET Pennsylvania Poor 1897 129 250
Chestnut Run Pennsylvania Poor 1897 129 28
SCHWABEN CREEK Pennsylvania Fair 1897 129 40
SCHWABEN CREEK Pennsylvania Poor 1897 129 25
LOYALSOCK CREEK Pennsylvania Poor 1897 129 15
OVER PITHOLE CREEK Pennsylvania Fair 1897 129 93
PITHOLE CREEK Pennsylvania Fair 1897 129 50
EQUINUNK CREEK Pennsylvania Fair 1897 129 68
SKL RIV KELLY W RIV STDR Pennsylvania Fair 1897 129 12,580
LITTLE JUNIATA RIVER Pennsylvania Poor 1898 128 27
LITTLE JUNIATA RIVER Pennsylvania Fair 1898 128 3,406
SOUTH CREEK Pennsylvania Fair 1898 128 50
YELLOW BREECHES CREEK Pennsylvania Poor 1898 128 145
CHESTER CREEK / 3694-J10 Pennsylvania Poor 1898 128 9,019
LITTLE SANDY CREEK Pennsylvania Fair 1898 128 100
CONESTOGA RIVER Pennsylvania Fair 1898 128 50
BLOCKHOUSE CREEK Pennsylvania Fair 1898 128 100

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.