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
COOKS RUN Pennsylvania Poor 1926 100 9,221
BRANCH TINICUM CREEK Pennsylvania Poor 1926 100 100
DELAWARE River Pennsylvania Fair 1926 100 4,500
PENNSYLVANIA CANAL Pennsylvania Fair 1926 100 4,600
SLIPPERY ROCK CREEK Pennsylvania Fair 1926 100 100
GLADE RUN Pennsylvania Fair 1926 100 300
LITTLE CONEMAUGH RIVER Pennsylvania Good 1926 100 1,359
MAUCH CHUNK CREEK Pennsylvania Fair 1926 100 4,728
SPARROW RUN Pennsylvania Fair 1926 100 1,640
BUCK RUN Pennsylvania Poor 1926 100 2,896
STONEY RUN CREEK Pennsylvania Fair 1926 100 1,122
EAST BRANCH RED CLAY CR. Pennsylvania Poor 1926 100 1,777
W. BR. BRANDYWINE CREEK Pennsylvania Poor 1926 100 1,897
KRATZER RUN Pennsylvania Fair 1926 100 2,084
KRATZER RUN Pennsylvania Fair 1926 100 2,084
OVER FISHING CREEK Pennsylvania Fair 1926 100 4,430
HEMLOCK CREEK Pennsylvania Poor 1926 100 572
DOUBLING GAP CREEK Pennsylvania Fair 1926 100 620
CRUM CREEK Pennsylvania Poor 1926 100 18,095
BRANCH MARCUS HOOK CREEK Pennsylvania Poor 1926 100 3,190
RIDLEY CREEK Pennsylvania Fair 1926 100 3,575
RASLER RUN Pennsylvania Fair 1926 100 4,044
COVE RUN Pennsylvania Fair 1926 100 700
OVER PRATHER RUN Pennsylvania Poor 1926 100 1,581
Trib Conococheague Creek Pennsylvania Good 1926 100 5,121
N. BR WILSON RUN Pennsylvania Fair 1926 100 1,684
S. BR. LT AUGHWICK CREEK Pennsylvania Fair 1926 100 3,002
GLADE RUN Pennsylvania Poor 1926 100 518
STEWART RUN Pennsylvania Poor 1926 100 382
SMITH CREEK Pennsylvania Poor 1926 100 30
ROBERTS RUN Pennsylvania Poor 1926 100 100
STANDING STONE CREEK Pennsylvania Fair 1926 100 68
TROUT RUN Pennsylvania Fair 1926 100 1,585
SOLDIER RUN Pennsylvania Fair 1926 100 4,834
LOST CREEK Pennsylvania Fair 1926 100 100
Pequea Creek Pennsylvania Poor 1926 100 5,797
CHIQUES CREEK Pennsylvania Poor 1926 100 5,746
AIRE RUN Pennsylvania Poor 1926 100 1,000
TRIB. ONTELAUNEE CREEK Pennsylvania Fair 1926 100 2,115
TRIB. ONTELAUNEE CREEK Pennsylvania Fair 1926 100 2,062
TRIB. ONTELAUNEE CREEK Pennsylvania Fair 1926 100 2,742
BR. ONTELAUNEE CREEK Pennsylvania Fair 1926 100 3,006
FELLS CREEK Pennsylvania Fair 1926 100 15,708
SUSQUEHANNA RIVER Pennsylvania Poor 1926 100 14,585
OVER RAMSEY RUN Pennsylvania Fair 1926 100 1,516
OVER PINE RUN Pennsylvania Good 1926 100 355
MOSQUITO CREEK Pennsylvania Poor 1926 100 250
LONG HOLLOW RUN Pennsylvania Fair 1926 100 150
BRANCH MACOBY CR/2805B5 Pennsylvania Fair 1926 100 1,450
WISSAHICKON CREEK Pennsylvania Poor 1926 100 13,301

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.