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
SCHUYLKILL RIVER Pennsylvania Poor 1925 101 135
GOODSPRING CREEK Pennsylvania Poor 1925 101 500
ULSH GAP RUN Pennsylvania Poor 1925 101 50
WILLS CREEK Pennsylvania Poor 1925 101 50
OVER MARSH CREEK Pennsylvania Fair 1925 101 2,670
BIRCH CREEK Pennsylvania Fair 1925 101 50
N. BR. MEHOOPANY CREEK Pennsylvania Poor 1925 101 50
KINGS CREEK Pennsylvania Poor 1925 101 50
CANAWACTA CREEK Pennsylvania Poor 1925 101 2,079
ELK RUN WEST Pennsylvania Fair 1925 101 10
Whitethorn Run Pennsylvania Fair 1925 101 260
SPRUCE RUN Pennsylvania Poor 1925 101 54
E. BR. WOLF CREEK Pennsylvania Fair 1925 101 50
TRIB TO DELAWARE RIVER Pennsylvania Poor 1925 101 2,425
NORTH BR CALKINS CREEK Pennsylvania Fair 1925 101 193
TURTLE CREEK Pennsylvania Fair 1925 101 5,838
Welty Run Pennsylvania Poor 1925 101 75
BEAVER RUN STREAM Pennsylvania Fair 1925 101 100
SO BRANCH OF MUDDY CREEK Pennsylvania Fair 1925 101 30
LITTLE CONEWAGO CREEK Pennsylvania Fair 1925 101 5,201
CONRAIL-RICHMOND BRANCH Pennsylvania Fair 1925 101 18,604
CSX;BELMONT BRANCH Pennsylvania Fair 1925 101 12,994
SEPTA (Norristown Br) Pennsylvania Poor 1925 101 1,000
TIDIOUTE CREEK Pennsylvania Poor 1925 101 100
ELLSWORTH E BUSWAY NSR Pennsylvania Fair 1925 101 8,242
BEAVERDAM CREEK Pennsylvania Good 1926 100 306
MINEY BRANCH Pennsylvania Fair 1926 100 100
BR.BECKETS RUN Pennsylvania Poor 1926 100 282
SAW MILL RUN Pennsylvania Fair 1926 100 42,292
GIRTYS RUN Pennsylvania Fair 1926 100 14,237
BR.BIG SEWICKLEY CREEK Pennsylvania Good 1926 100 7,470
ALLEGH RIV 10 ST BY-PASS Pennsylvania Fair 1926 100 9,900
ALLEGH RIV 10 ST BY-PASS Pennsylvania Fair 1926 100 22,462
SYCAMORE RUN Pennsylvania Fair 1926 100 15,217
SIXTH STREET Pennsylvania Fair 1926 100 2,843
LR 278-LIBERTY ST Pennsylvania Fair 1926 100 8,308
BRUSH CREEK Pennsylvania Fair 1926 100 4,868
TR.EVITTS CREEK Pennsylvania Poor 1926 100 6,158
MILK & WATER CREEK Pennsylvania Poor 1926 100 122
LAUREL RUN Pennsylvania Fair 1926 100 19,330
TULPEHOCKEN CREEK Pennsylvania Fair 1926 100 4,439
TRIB.MILL CREEK Pennsylvania Fair 1926 100 4,481
SPRING CREEK Pennsylvania Fair 1926 100 4,305
MONOCACY CREEK Pennsylvania Good 1926 100 4,305
STONY RUN Pennsylvania Fair 1926 100 367
NORFOLK/SOUTHERN RR Pennsylvania Fair 1926 100 6,321
LITTLE MANATAWNY CR Pennsylvania Fair 1926 100 1,681
IRONSTONE CREEK Pennsylvania Fair 1926 100 473
SINKING RUN Pennsylvania Fair 1926 100 406
GULF BROOK Pennsylvania Poor 1926 100 1,876

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.