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
COBBS CREEK Pennsylvania Poor 1924 102 18,222
COBBS CREEK Pennsylvania Fair 1924 102 18,222
Thompson Run Pennsylvania Poor 1924 102 16,904
UNT to West Dry Run Pennsylvania Fair 1924 102 100
BRANCH OF BEAVER CREEK Pennsylvania Poor 1925 101 200
PINE CREEK Pennsylvania Fair 1925 101 31,339
PINE CREEK NEAR FLOOD CH Pennsylvania Fair 1925 101 31,339
BR.ROBINSON RUN Pennsylvania Fair 1925 101 9,278
LOBBS RUN Pennsylvania Fair 1925 101 609
FLAUGHERTY RUN Pennsylvania Fair 1925 101 6,482
FARRAGUT ST JACKS RUN Pennsylvania Good 1925 101 11,263
SAW MILL RUN Pennsylvania Poor 1925 101 -
CHARTIERS CREEK Pennsylvania Poor 1925 101 3,756
PAT LRT SPUR LINE Pennsylvania Fair 1925 101 12,000
N BR S FRK PINE CREEK Pennsylvania Poor 1925 101 109
TRIB TO BUFFALO CREEK Pennsylvania Poor 1925 101 785
UPPER DRY RUN CREEK Pennsylvania Fair 1925 101 8,308
BLOCKHOUSE RUN Pennsylvania Poor 1925 101 -
PINEY CREEK Pennsylvania Poor 1925 101 371
GORDONS CREEK Pennsylvania Poor 1925 101 3,757
E.BR.SIDELING HILL CREEK Pennsylvania Fair 1925 101 158
TUB MILL RUN Pennsylvania Fair 1925 101 11
THREE SPRINGS RUN Pennsylvania Poor 1925 101 42
TRIB MILL CREEK Pennsylvania Fair 1925 101 5,642
TRIB.MILL CREEK Pennsylvania Poor 1925 101 5,642
STONY RUN Pennsylvania Fair 1925 101 1,458
TULPEHOCKEN CREEK Pennsylvania Fair 1925 101 292
WYOMISSING CREEK Pennsylvania Fair 1925 101 1,461
NORFOLK SOUTHERN RR Pennsylvania Fair 1925 101 12,606
FURNACE CREEK Pennsylvania Fair 1925 101 350
FRANKSTOWN BR JUNIATA R Pennsylvania Fair 1925 101 1,675
GILLANS RUN Pennsylvania Poor 1925 101 1,569
BLAIR GAP RUN Pennsylvania Poor 1925 101 1,514
SUGAR CREEK Pennsylvania Fair 1925 101 3,751
ROCKWELL CREEK Pennsylvania Poor 1925 101 25
COOKS CREEK Pennsylvania Poor 1925 101 831
TOHICKON CREEK Pennsylvania Fair 1925 101 100
NORTH BRANCH BEAR CREEK Pennsylvania Poor 1925 101 847
MUDDY CREEK Pennsylvania Poor 1925 101 100
SALT LICK RUN Pennsylvania Fair 1925 101 788
VAUGHNS RUN Pennsylvania Fair 1925 101 1,640
REESE HOLLOW Pennsylvania Fair 1925 101 1,640
STEEL HOLLOW RUN Pennsylvania Fair 1925 101 2,220
TRIB. BALD EAGLE CREEK Pennsylvania Fair 1925 101 2,220
LAUREL RUN Pennsylvania Fair 1925 101 2,220
WALLACE RUN Pennsylvania Fair 1925 101 3,806
GALBRAITH GAP RUN Pennsylvania Fair 1925 101 13,783
PINE CREEK Pennsylvania Poor 1925 101 15
BALD EAGLE CREEK Pennsylvania Poor 1925 101 50
BUFFALO RUN Pennsylvania Poor 1925 101 240

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.