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
SCHUYLKILL EXPRESSWAY Pennsylvania Fair 1950 76 1,606
SCHUYLKILL EXPRESSWAY Pennsylvania Fair 1950 76 1,497
S.GULPH SEPTA CRK LANE Pennsylvania Fair 1950 76 66,436
MATSONFORD ROAD Pennsylvania Poor 1950 76 66,436
SCHUYLKILL EXPRESSWAY Pennsylvania Fair 1950 76 31,286
LODAL CREEK Pennsylvania Poor 1950 76 12,530
BRANCH SWAMP CREEK Pennsylvania Fair 1950 76 376
GULPH CREEK / 34K04 Pennsylvania Fair 1950 76 14,277
OVER LIMESTONE RUN Pennsylvania Fair 1950 76 675
BUSHKILL CREEK Pennsylvania Fair 1950 76 5,480
WEST BR.OF MONOCACY CK. Pennsylvania Fair 1950 76 409
PA 611(SR0611) Pennsylvania Good 1950 76 30,300
N. 3RD ST (SR 2023) Pennsylvania Good 1950 76 30,300
NORTH BANK STREET Pennsylvania Fair 1950 76 30,300
OVER DRY RUN Pennsylvania Fair 1950 76 681
LIMESTONE RUN Pennsylvania Good 1950 76 177
SHAMOKIN CREEK Pennsylvania Fair 1950 76 3,277
OVER ZERBE RUN Pennsylvania Fair 1950 76 213
UNT DELAWARE RUN Pennsylvania Fair 1950 76 200
BIXLER RUN Pennsylvania Fair 1950 76 698
WILDCAT CREEK Pennsylvania Fair 1950 76 117
SHULTZ CREEK Pennsylvania Poor 1950 76 50
BULL RUN Pennsylvania Poor 1950 76 75
MCCABE RUN Pennsylvania Fair 1950 76 175
MUDDY RUN Pennsylvania Fair 1950 76 100
DECKER CREEK Pennsylvania Poor 1950 76 5,455
TAYLORTOWN CREEK Pennsylvania Fair 1950 76 50
SOUTH WOODS BRANCH Pennsylvania Poor 1950 76 25
FIRST FORK SINNEMAHONING Pennsylvania Poor 1950 76 60
WEST BRANCH FREEMAN RUN Pennsylvania Poor 1950 76 100
COLD RUN CREEK Pennsylvania Poor 1950 76 100
LOCUST CREEK Pennsylvania Poor 1950 76 20
TRIB TO LIZARD CREEK Pennsylvania Fair 1950 76 50
MIDDLE CREEK Pennsylvania Fair 1950 76 500
OVER MIDDLE CREEK Pennsylvania Fair 1950 76 1,198
TRIB MIDDLE CREEK Pennsylvania Fair 1950 76 703
N.BR.MAHANTANGO CR. Pennsylvania Poor 1950 76 50
T467 OVER SWIFT RUN Pennsylvania Poor 1950 76 100
ROARING FORK Pennsylvania Poor 1950 76 51
SEESE RUN Pennsylvania Poor 1950 76 100
OVER W BR OF ELK CREEK Pennsylvania Fair 1950 76 166
E.BR. OF ELK CREEK Pennsylvania Fair 1950 76 166
SALT LICK CREEK Pennsylvania Good 1950 76 938
TRIB OF DUBOIS CREEK Pennsylvania Fair 1950 76 44
LITTLE MESHOPPEN CREEK Pennsylvania Fair 1950 76 209
OUTLET STATE POND Pennsylvania Fair 1950 76 175
OVER STONY FORK CREEK Pennsylvania Fair 1950 76 261
OVER BOYDEN BROOK Pennsylvania Fair 1950 76 1,041
CUSTARD RUN Pennsylvania Fair 1950 76 105
KELSEY CREEK Pennsylvania Fair 1950 76 1,000

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.