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
SAM SAURER RUN Pennsylvania Good 1937 89 263
BENTZ RUN Pennsylvania Fair 1937 89 247
SLOANS HOLLOW RUN Pennsylvania Good 1937 89 194
BOBS CREEK Pennsylvania Good 1937 89 945
SIX MILE RUN Pennsylvania Good 1937 89 88
LITTLE WILLS CREEK Pennsylvania Good 1937 89 88
SIDELING HILL CREEK Pennsylvania Fair 1937 89 55
ALLEGHENY CREEK Pennsylvania Poor 1937 89 1,574
CROSSKILL CREEK Pennsylvania Fair 1937 89 2,151
SR 1015 & L. JUNIATA RIV Pennsylvania Fair 1937 89 6,118
FRANKS. BR.JUNIATA RIVER Pennsylvania Fair 1937 89 2,615
LITTLE JUNIATA RIVER Pennsylvania Good 1937 89 344
DECKER RUN Pennsylvania Good 1937 89 139
FRTOWN.BR.JUNIATA RIVER Pennsylvania Good 1937 89 1,469
LITTLE JUNIATA RIVER Pennsylvania Poor 1937 89 17
LITTLE JUNIATA RIVER Pennsylvania Fair 1937 89 11
BALD EAGLE CREEK Pennsylvania Fair 1937 89 276
BRANCH NESHAMINY CREEK Pennsylvania Poor 1937 89 35,170
BROCK CREEK / 3151-E5 Pennsylvania Poor 1937 89 5,599
SCHMOUTZ CREEK Pennsylvania Fair 1937 89 1,206
KIMPLES CREEK Pennsylvania Fair 1937 89 154
Geddes Run Pennsylvania Fair 1937 89 150
BLACK DITCH CREEK Pennsylvania Fair 1937 89 1,400
B&LE B&P RRS;CONNOQUE CR Pennsylvania Poor 1937 89 9,259
CONNOQUENESSING CREEK Pennsylvania Fair 1937 89 9,260
STONYCREEK RIVER Pennsylvania Fair 1937 89 4,584
HOWELLS RUN Pennsylvania Good 1937 89 408
STONY CREEK RIVER Pennsylvania Fair 1937 89 6,735
CALIFORNIA RUN Pennsylvania Fair 1937 89 583
LONG RUN Pennsylvania Good 1937 89 336
STONYCREEK RIVER Pennsylvania Good 1937 89 4,961
W BR SUSQUEHANNA RIVER Pennsylvania Fair 1937 89 934
SPRING CREEK Pennsylvania Fair 1937 89 1,007
BRANDYWINE CREEK Pennsylvania Fair 1937 89 24,552
POCOPSON CREEK Pennsylvania Poor 1937 89 11,166
FRENCH CREEK Pennsylvania Fair 1937 89 2,334
BR.OF EAST BR.WHITE CLAY Pennsylvania Poor 1937 89 6,672
BUCK & DOE RUN Pennsylvania Good 1937 89 307
OFFICERS RUN Pennsylvania Fair 1937 89 578
OFFICERS RUN Pennsylvania Fair 1937 89 2,480
BRANCH LEECH RUN Pennsylvania Fair 1937 89 1,065
EAST BR BRANDYWINE CREEK Pennsylvania Fair 1937 89 1,212
TOMS RUN Pennsylvania Fair 1937 89 402
TOWN RUN Pennsylvania Poor 1937 89 350
CLEARFIELD CREEK Pennsylvania Fair 1937 89 8,758
BEAVER RUN Pennsylvania Poor 1937 89 471
LITTLE CLEARFIELD CREEK Pennsylvania Poor 1937 89 140
LONG RUN Pennsylvania Fair 1937 89 2,519
TROUT RUN Pennsylvania Fair 1937 89 203
LAURELLY RUN Pennsylvania Fair 1937 89 89

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.