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
GIRTYS RUN Pennsylvania Fair 1932 94 12,385
SAW MILL RUN Pennsylvania Fair 1932 94 15,683
CORNPLANTER RUN Pennsylvania Fair 1932 94 795
TRAVERSE CREEK Pennsylvania Fair 1932 94 1,312
RACCOON CREEK Pennsylvania Poor 1932 94 6,162
BRUSH RUN Pennsylvania Fair 1932 94 1,904
KOON LAKE Pennsylvania Poor 1932 94 159
BEAVERS RUN Pennsylvania Poor 1932 94 50
PINE CREEK Pennsylvania Fair 1932 94 1,829
LITTLE NORTHKILL CREEK Pennsylvania Fair 1932 94 11,432
TRIB.LITTLE NORTHKILL CR Pennsylvania Fair 1932 94 11,432
MAIDEN CREEK Pennsylvania Poor 1932 94 430
MONOCACY CREEK Pennsylvania Good 1932 94 3,625
NORFOLK SOUTHERN RR Pennsylvania Poor 1932 94 144
TRIB.TO MILL CREEK Pennsylvania Fair 1932 94 3,704
TRIB.TO MILL CREEK Pennsylvania Poor 1932 94 3,704
MAIDEN CREEK Pennsylvania Poor 1932 94 249
CONESTOGA CREEK Pennsylvania Fair 1932 94 980
LEBANON VAL. BR. NORFOLK Pennsylvania Poor 1932 94 2,000
WOLFE RUN Pennsylvania Fair 1932 94 2,284
MILL CREEK Pennsylvania Fair 1932 94 2,284
SCH.R. 422 NSRC RIV.RD. Pennsylvania Fair 1932 94 13,728
SUGAR RUN Pennsylvania Fair 1932 94 1,533
GLENWHITE RUN Pennsylvania Fair 1932 94 1,664
TRIB NO BR TOWANDA CRK Pennsylvania Fair 1932 94 542
TRIB NO BR TOWANDA CREEK Pennsylvania Fair 1932 94 542
BUCK CREEK Pennsylvania Poor 1932 94 3,958
TINICUM CREEK Pennsylvania Fair 1932 94 2,382
DELAWARE CANAL Pennsylvania Good 1932 94 2,382
DELAWARE CANAL Pennsylvania Good 1932 94 2,256
DELAWARE CANAL/3151-F2 Pennsylvania Fair 1932 94 3,837
MILL CREEK Pennsylvania Poor 1932 94 15,720
NESHAMINY CREEK Pennsylvania Fair 1932 94 10,789
PENNSYLVA CANAL/ 3038-K4 Pennsylvania Fair 1932 94 5,443
TOHICKON CREEK Pennsylvania Poor 1932 94 595
N.E.BR PERKIOMEN CREEK Pennsylvania Fair 1932 94 3,553
NEWTOWN CREEK / 3149-K4 Pennsylvania Fair 1932 94 7,209
CUTTALOSSA CREEK Pennsylvania Fair 1932 94 50
CUTTALOSSA CREEK Pennsylvania Fair 1932 94 50
TOHICKON CREEK Pennsylvania Poor 1932 94 200
TINICUM CREEK Pennsylvania Poor 1932 94 70
SOUTH BRANCH BEAR CREEK Pennsylvania Fair 1932 94 226
MUD RUN Pennsylvania Poor 1932 94 5,877
HUNTERS CREEK Pennsylvania Fair 1932 94 750
MOSHANNON CREEK Pennsylvania Fair 1932 94 2,122
SLAB CABIN RUN Pennsylvania Fair 1932 94 20,393
GALBRAITH GAP RUN Pennsylvania Good 1932 94 65
GALBRAITH GAP RUN Pennsylvania Good 1932 94 50
DOE RUN Pennsylvania Poor 1932 94 4,881
EAST PENN RAILROAD Pennsylvania Fair 1932 94 7,233

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.