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 CHEST CREEK Pennsylvania Fair 1900 126 3,081
CHESTER VALLEY TRAIL Pennsylvania Fair 1900 126 720
KNIGHTS RUN Pennsylvania Poor 1900 126 250
BENNETT BRANCH Pennsylvania Poor 1900 126 148
MOUNTAIN RUN Pennsylvania Fair 1900 126 45
OVER LITTLE SUGAR BRANCH Pennsylvania Poor 1900 126 50
OVER PINE CREEK Pennsylvania Poor 1900 126 250
OVER FRENCH CREEK Pennsylvania Poor 1900 126 250
MAHANTANGO CREEK Pennsylvania Poor 1900 126
PAXTON CREEK Pennsylvania Poor 1900 126 8,000
COBBS CR;SEPTA/ 3589-A6 Pennsylvania Fair 1900 126 24,154
STONY CREEK Pennsylvania Fair 1900 126 420
EAST BRANCH SPRING CREEK Pennsylvania Fair 1900 126 69
CONNEAUTTEE CREEK Pennsylvania Poor 1900 126 31
DICKERSON RUN Pennsylvania Fair 1900 126 444
ABANDONED CSXT R/R Pennsylvania Poor 1900 126 6,661
COAL LICK RUN Pennsylvania Fair 1900 126 2,100
DENNIS CREEK Pennsylvania Fair 1900 126 1,684
HARGUS CREEK Pennsylvania Fair 1900 126 30
WHITELEY CREEK Pennsylvania Fair 1900 126 20
RUFF CREEK Pennsylvania Poor 1900 126 25
NARROWS CREEK Pennsylvania Fair 1900 126 281
SPRUCE RUN Pennsylvania Good 1900 126 106
SHAVER CREEK Pennsylvania Fair 1900 126 79
LITTLE TROUGH CREEK Pennsylvania Fair 1900 126 55
LEGGETTS CREEK Pennsylvania Poor 1900 126 10,771
CHIQUES CREEK Pennsylvania Fair 1900 126 820
BIG RUN Pennsylvania Poor 1900 126 25
TULPEHOCKEN CREEK Pennsylvania Poor 1900 126 200
QUITTAPAHILLA CREEK Pennsylvania Poor 1900 126 375
TULPEHOCKEN CREEK Pennsylvania Fair 1900 126 200
WAPWALLOPEN CREEK Pennsylvania Poor 1900 126 20
LYCOMING CREEK Pennsylvania Fair 1900 126 75
GREGS RUN Pennsylvania Poor 1900 126 55
KISHACOQUILLAS CREEK Pennsylvania Poor 1900 126 80
TUNKHANNOCK CK Pennsylvania Poor 1900 126 20
SAW MILL RUN Pennsylvania Fair 1900 126 5,600
SAW MILL RUN Pennsylvania Fair 1900 126 15,408
DELAWARE CANAL DIVERSION Pennsylvania Fair 1900 126 60
Glade Run Pennsylvania Good 1900 126 50
LITTLE SHAMOKIN CREEK Pennsylvania Fair 1900 126 75
BIG BUFFALO CREEK Pennsylvania Fair 1900 126 25
DELAWARE RIVER Pennsylvania Fair 1900 126 4,629
SHENANDOAH CREEK Pennsylvania Poor 1900 126 599
BUFFALO CREEK Pennsylvania Poor 1900 126 2,013
BENS CREEK Pennsylvania Fair 1900 126 150
CASSELMAN RIVER Pennsylvania Fair 1900 126 50
LAUREL HILL CREEK Pennsylvania Poor 1900 126 50
ROARING FORK Pennsylvania Good 1900 126 50
BEAVER DAM CREEK Pennsylvania Fair 1900 126 150

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.