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
BR OF EQUINUNK CREEK Pennsylvania Fair 1934 92 149
CAMP RUN Pennsylvania Poor 1934 92 387
BRANCH LOYALHANNA CREEK Pennsylvania Fair 1934 92 162
WEBSTER HOLLOW RUN Pennsylvania Fair 1934 92 3,831
LINN RUN Pennsylvania Good 1934 92 325
MESHOPPEN CREEK Pennsylvania Poor 1934 92 1,699
TRIB TO LAKE CAREY Pennsylvania Poor 1934 92 227
LEONARD CREEK Pennsylvania Fair 1934 92 664
RILEY CREEK Pennsylvania Poor 1934 92 50
MUDDY CREEK Pennsylvania Good 1934 92 747
TRIB TO CODORUS CREEK Pennsylvania Fair 1934 92 8,694
KREUTZ CREEK Pennsylvania Fair 1934 92 12,180
CABIN CREEK Pennsylvania Fair 1934 92 996
EAST BRANCH CODORUS CR Pennsylvania Fair 1934 92 752
WEST BR CODORUS CREEK Pennsylvania Fair 1934 92 3,082
OIL CREEK Pennsylvania Fair 1934 92 1,408
CODORUS CREEK Pennsylvania Fair 1934 92 12,802
CONEWAGO CREEK Pennsylvania Fair 1934 92 3,584
LAUREL RUN Pennsylvania Poor 1934 92 610
AMTRAK;SCH EXPWY&30TH ST Pennsylvania Good 1934 92 19,950
PENNYPACK CREEK Pennsylvania Fair 1934 92 1,000
CHARTIERS CREEK Pennsylvania Poor 1934 92 1,200
S. BRANCH TIONESTA CRK. Pennsylvania Fair 1934 92 25
FARNSWORTH RUN Pennsylvania Fair 1934 92 50
KINZUA CREEK Pennsylvania Good 1934 92 15
EAST BRANCH TIONESTA CRL Pennsylvania Fair 1934 92 100
CONEWAGO CREEK Pennsylvania Poor 1935 91 1,280
MARSH CREEK Pennsylvania Fair 1935 91 150
LEWIS RUN Pennsylvania Good 1935 91 25,938
LEWIS RUN Pennsylvania Fair 1935 91 25,938
PETERS CREEK Pennsylvania Fair 1935 91 6,888
THOMS RUN Pennsylvania Good 1935 91 5,107
PINE CREEK NORTH BRANCH Pennsylvania Fair 1935 91 406
MC LAUGHLIN RUN Pennsylvania Fair 1935 91 3,155
CLIFF STREET Pennsylvania Poor 1935 91 2,619
BUFFALO CREEK Pennsylvania Fair 1935 91 795
TRAVERSE CREEK Pennsylvania Fair 1935 91 245
RAYSTOWN BR.JUNIATA RIV. Pennsylvania Fair 1935 91 9,597
RAYSTOWN BR JUNIATA RIV Pennsylvania Fair 1935 91 1,172
SIX MILE RUN Pennsylvania Poor 1935 91 25
EVITTS CREEK Pennsylvania Poor 1935 91 60
MAIDEN CREEK Pennsylvania Fair 1935 91 6,954
NORFOLK SOUTHERN Pennsylvania Fair 1935 91 6,954
ALLEGHENY CREEK Pennsylvania Poor 1935 91 300
LAUREL RUN CREEK Pennsylvania Poor 1935 91 200
SHALTER AVENUE FLOODWAY Pennsylvania Poor 1935 91 200
PIDCOCK CREEK Pennsylvania Poor 1935 91 7,075
LICKING CREEK Pennsylvania Fair 1935 91 3,124
HOGUE RUN Pennsylvania Fair 1935 91 293
BEAR CREEK Pennsylvania Poor 1935 91 50

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.