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
LITTLE BUFFALO CREEK Pennsylvania Fair 1950 76 1,420
WHITE DEER HOLE CREEK Pennsylvania Good 1950 76 332
BEATTY RUN Pennsylvania Poor 1950 76 131
LITTLE SUGAR CREEK Pennsylvania Fair 1950 76 196
TRIB. LITTLE SANDY CREEK Pennsylvania Poor 1950 76 50
OVER MORSE RUN Pennsylvania Fair 1950 76 8,651
OVER DEER LICK RUN Pennsylvania Fair 1950 76 2,149
OVER ANDREWS RUN Pennsylvania Fair 1950 76 75
MILES RUN Pennsylvania Poor 1950 76 85
GARLAND RUN Pennsylvania Poor 1950 76 20
OVER MC GUIRE RUN Pennsylvania Fair 1950 76 450
CHARTIERS CREEK Pennsylvania Poor 1950 76 6,711
HARMON CREEK Pennsylvania Fair 1950 76 166
CROSS CREEK TRIB. Pennsylvania Good 1950 76 150
MINGO CREEK TRIBUTARY Pennsylvania Fair 1950 76 400
DELAWARE RIVER Pennsylvania Fair 1950 76 1,317
BR OF S BR CALKINS CREEK Pennsylvania Fair 1950 76 573
FALLSDALE POND Pennsylvania Fair 1950 76 535
S BR EQUINUNK CREEK Pennsylvania Fair 1950 76 96
SOUTH BR EQUINUNK CREEK Pennsylvania Poor 1950 76 69
HOLLISTER CREEK Pennsylvania Poor 1950 76 20
CLOVERLEAF RUN Pennsylvania Good 1950 76 32,623
BEAVER RUN Pennsylvania Good 1950 76 30,749
TROUT RUN Pennsylvania Fair 1950 76 838
LITTLE CRABTREE CREEK Pennsylvania Fair 1950 76 922
LITTLE CRABTREE CREEK Pennsylvania Fair 1950 76 922
LAUREL RUN Pennsylvania Fair 1950 76 143
SW PA R/R RD SEWICKLEY Pennsylvania Good 1950 76 6,504
FOUR MILE RUN Pennsylvania Poor 1950 76 150
BUFFALO RUN Pennsylvania Poor 1950 76 250
TINKERS RUN Pennsylvania Poor 1950 76 -
PA TURNPIKE RAMP E Pennsylvania Fair 1950 76 68,340
OTTER CREEK Pennsylvania Poor 1950 76 228
NORTH BR CODORUS CREEK Pennsylvania Poor 1950 76 635
BRANCH CODORUS CREEK Pennsylvania Fair 1950 76 300
STONEY RUN Pennsylvania Fair 1950 76 9
CATFISH CREEK Pennsylvania Poor 1950 76 500
HUBER RUN Pennsylvania Fair 1950 76 605
TRIB BIG SEWICKLEY CREEK Pennsylvania Fair 1950 76 10
TRIBUTARY PARK CREEK Pennsylvania Fair 1950 76 6,550
Mill Creek Pennsylvania Fair 1950 76 600
Snake Run to Beaver Run Pennsylvania Poor 1950 76 82
Blue Hole Creek Pennsylvania Poor 1950 76 75
Bens Creek Pennsylvania Poor 1950 76 50
Branch of Brush Creek Pennsylvania Poor 1950 76 50
Tributary toPerkiomen Cr Pennsylvania Fair 1950 76 100
Thompson Run Pennsylvania Fair 1950 76 75
FOURMILE CREEK Pennsylvania Fair 1950 76 250
TRIB TO FRENCH CK Pennsylvania Good 1950 76 110
MIDDLE BR. WHITE CLAY CR Pennsylvania Poor 1950 76 250

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.