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
BRANCH OF WASHINGTON RUN Pennsylvania Fair 1939 87 567
PA TPK RAMP Pennsylvania Fair 1939 87 21,433
T-563 Pennsylvania Fair 1939 87 21,433
CONOCOCHEAGUE CR Pennsylvania Fair 1939 87 21,433
T-565 Pennsylvania Fair 1939 87 21,433
SR 0075 Pennsylvania Fair 1939 87 21,433
T-560 CONOCOCHE CR Pennsylvania Good 1939 87 21,433
SR 641 Pennsylvania Fair 1939 87 21,433
T-575 Pennsylvania Fair 1939 87 21,433
TROUT RUN Pennsylvania Fair 1939 87 21,433
WOODEN BRIDGE CRK Pennsylvania Fair 1939 87 20,523
PA TPK (I-76) Pennsylvania Fair 1939 87 240
PA TPK (I-76) Pennsylvania Good 1939 87 398
PA TPK (I-76) Pennsylvania Fair 1939 87 3,281
PA TPK (I-76) Pennsylvania Fair 1939 87 13,591
TEN MILE RUN Pennsylvania Fair 1939 87 21,197
T-430 Pennsylvania Fair 1939 87 21,197
LITTLE AUGWICK CREEK Pennsylvania Poor 1939 87 22,430
SR 1010(LR 29035) Pennsylvania Good 1939 87 21,197
HARGUS CREEK Pennsylvania Fair 1939 87 432
HARGUS CREEK Pennsylvania Poor 1939 87 432
CUSHION CREEK Pennsylvania Poor 1939 87 686
CROOKED CREEK Pennsylvania Fair 1939 87 291
TRIB N BR STRAIGHT RUN Pennsylvania Poor 1939 87 148
BLACKLEGS CREEK Pennsylvania Poor 1939 87 313
ANTHONY RUN Pennsylvania Poor 1939 87 267
GOOSE RUN Pennsylvania Fair 1939 87 646
TRIB TO CROOKED CREEK Pennsylvania Fair 1939 87 214
SOUTH BR OF NORTH FORK Pennsylvania Fair 1939 87 311
LICK RUN Pennsylvania Fair 1939 87 279
DOE RUN Pennsylvania Fair 1939 87 175
LEININGERS RUN Pennsylvania Poor 1939 87 100
W BR WALLENPAUPACK CREEK Pennsylvania Fair 1939 87 8,832
KENNEDY CREEK Pennsylvania Good 1939 87 577
STAMENS RUN Pennsylvania Poor 1939 87 4,157
HICKORY RUN Pennsylvania Good 1939 87 3,189
BRANCH BIG RUN Pennsylvania Poor 1939 87 723
DEEP RUN Pennsylvania Fair 1939 87 9,195
QUITTAPAHILLA CREEK Pennsylvania Fair 1939 87 200
LITTLE LEHIGH CREEK Pennsylvania Poor 1939 87 7,302
UNNAMED STREAM Pennsylvania Fair 1939 87 50
ABRAHAMS CREEK Pennsylvania Fair 1939 87 15,978
TOBYS CREEK Pennsylvania Poor 1939 87 8,846
OVER BEAVER RUN Pennsylvania Fair 1939 87 165
KINGS RUN Pennsylvania Good 1939 87 195
OVER MATHAY RUN Pennsylvania Fair 1939 87 4,239
E BR WOLF CREEK TRIB. Pennsylvania Poor 1939 87 472
DELAWARE-LACKAWANNA RR Pennsylvania Fair 1939 87 6,862
SWAMP CREEK Pennsylvania Poor 1939 87 3,000
WEST SKIPPACK CREEK Pennsylvania Poor 1939 87 300

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.