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
PENNYPACK CREEK Pennsylvania Good 1697 329 16,267
COOKS CREEK Pennsylvania Fair 1777 249 1,404
GULPH MILLS CREEK Pennsylvania Fair 1789 237 5,486
SKIPPACK CREEK Pennsylvania Fair 1792 234 14,242
NEWTOWN CREEK Pennsylvania Fair 1796 230 4,254
PERKIOMEN CREEK Pennsylvania Fair 1798 228 11,474
Tacony Creek Pennsylvania Poor 1801 225 50
NOCKAMIXON CREEK Pennsylvania Fair 1804 222 100
PIGEON CREEK Pennsylvania Poor 1804 222 406
EAST BR.BRANDYWINE CREEK Pennsylvania Fair 1807 219 7,057
DARBY CREEK / 3476-F8 Pennsylvania Fair 1810 216 5,835
SANDY RUN Pennsylvania Fair 1810 216 9,087
SHERMAN CREEK Pennsylvania Fair 1810 216 25
LEHIGH RIVER Pennsylvania Fair 1812 214 100
CONEWAGO CREEK Pennsylvania Good 1820 206 650
CONOCOCHEAGUE CREEK W BR Pennsylvania Poor 1820 206 150
Wissahickon Creek Pennsylvania Poor 1820 206 12,200
CEDAR CREEK Pennsylvania Poor 1824 202 1,000
W.BR.CONOCOCHEAGUE CREEK Pennsylvania Fair 1825 201 609
CONODOGUINET CREEK Pennsylvania Poor 1825 201 609
CONOCOCHEAGUE CREEK W.BR Pennsylvania Fair 1825 201 250
NOCKAMIXON CREEK Pennsylvania Fair 1826 200 100
W.BR.BRANDYWINE CREEK Pennsylvania Fair 1826 200 4,084
INDIAN CREEK Pennsylvania Poor 1826 200 100
BIG SEWICKLEY CREEK Pennsylvania Fair 1827 199 2,000
TRIB CONODOGUINET CR Pennsylvania Fair 1827 199 702
CONODOGUINET CREEK Pennsylvania Fair 1827 199 956
CONOCOCHEAGUE CREEK Pennsylvania Fair 1828 198 3,700
LITTLE LEHIGH CREEK Pennsylvania Poor 1828 198 1,000
SOUTHAMPTON CREEK Pennsylvania Fair 1828 198 11,488
DELAWARE CANAL Pennsylvania Poor 1830 196
BRANCH SKIPPACK CREEK Pennsylvania Poor 1830 196 2,907
CHILLISQUAQUE CREEK Pennsylvania Fair 1830 196 100
DELAWARE CANAL Pennsylvania Fair 1832 194 660
DELAWARE CANAL Pennsylvania Fair 1832 194 10
DELAWARE CANAL Pennsylvania Poor 1832 194 40
DELAWARE CANAL Pennsylvania Poor 1832 194 4
DELAWARE CANAL Pennsylvania Fair 1832 194 60
DELAWARE CANAL Pennsylvania Poor 1832 194 380
DELAWARE CANAL Pennsylvania Fair 1832 194 15
DELAWARE CANAL Pennsylvania Poor 1832 194 20
DELAWARE CANAL Pennsylvania Fair 1832 194 10
DELAWARE CANAL Pennsylvania Poor 1832 194 6
DELAWARE CANAL Pennsylvania Poor 1832 194 30
DELAWARE CANAL Pennsylvania Poor 1832 194 60
DELAWARE CANAL Pennsylvania Poor 1832 194 200
LAUREL RUN Pennsylvania Poor 1832 194 500
Delaware Canal Pennsylvania Good 1832 194 20
ONTELAUNEE CREEK Pennsylvania Poor 1834 192 100
FRENCH CREEK Pennsylvania Fair 1837 189 1,662

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.