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
ASYLUM RUN Pennsylvania Fair 1920 106 50
BRANCH CHESTER CREEK Pennsylvania Fair 1920 106 1,201
CRUM CREEK;SPRINGTON RES Pennsylvania Fair 1920 106 4,084
BENNETT BR SINNEMAHONING Pennsylvania Fair 1920 106 300
GOODBAN RUN Pennsylvania Poor 1920 106 11
CSX Pennsylvania Poor 1920 106 234
OVER MILL CREEK Pennsylvania Fair 1920 106 8,327
DUNLAP CREEK Pennsylvania Poor 1920 106 20
MOUNTS CREEK Pennsylvania Poor 1920 106 1,900
MOUNTS CREEK Pennsylvania Poor 1920 106 900
Browns Run Pennsylvania Poor 1920 106 50
DOWNERS RUN Pennsylvania Poor 1920 106 100
OVER SALMON CREEK Pennsylvania Fair 1920 106 55
W BR LITTLE ANTIETAM TRB Pennsylvania Fair 1920 106 200
W BR LITTLE ANTIETAM TRB Pennsylvania Fair 1920 106 200
LICKING CREEK Pennsylvania Fair 1920 106 50
LITTLE WHITELEY CREEK Pennsylvania Good 1920 106 150
BRANCH OF RUDOLPH RUN Pennsylvania Fair 1920 106 14
SHOUPS RUN Pennsylvania Poor 1920 106 25
SHADE CREEK Pennsylvania Poor 1920 106 25
EB.STANDING STONE CREEK Pennsylvania Fair 1920 106 51
STANDING STONE CREEK Pennsylvania Poor 1920 106 40
MILL CREEK Pennsylvania Poor 1920 106 284
SOUTH BRANCH OF BEAR RUN Pennsylvania Fair 1920 106 50
BRUSH CREEK Pennsylvania Fair 1920 106 20
CLEAR RUN Pennsylvania Good 1920 106 50
TRIB TUSCARORA CREEK Pennsylvania Fair 1920 106 292
ROARING BROOK Pennsylvania Poor 1920 106 30
TRIB TO CONESTOGA CREEK Pennsylvania Fair 1920 106 1,069
CONEWINGO CREEK Pennsylvania Poor 1920 106 278
INDIAN RUN Pennsylvania Fair 1920 106 399
CHIQUES CREEK Pennsylvania Poor 1920 106 1,072
BRUBAKERS RUN Pennsylvania Fair 1920 106 1,127
CHIQUES CREEK Pennsylvania Poor 1920 106 410
TRIB MILL CREEK Pennsylvania Poor 1920 106 515
MILL CREEK Pennsylvania Poor 1920 106 570
MILL CREEK Pennsylvania Poor 1920 106 515
JAMISON RUN Pennsylvania Fair 1920 106 171
JAMISON RUN Pennsylvania Fair 1920 106 100
SLIPPERY ROCK CREEK Pennsylvania Poor 1920 106 -
HAMMER CREEK Pennsylvania Fair 1920 106 100
TRIB SWATARA CREEK Pennsylvania Fair 1920 106 300
QUITTAPAHILLA CREEK Pennsylvania Poor 1920 106 150
TULPEHOCKEN CREEK Pennsylvania Fair 1920 106 800
FELLS CREEK Pennsylvania Fair 1920 106 225
HELFRICH SPRING POND Pennsylvania Fair 1920 106 3,000
COPLAY CREEK Pennsylvania Poor 1920 106 300
MONACACY CR.RR CONESTOGA Pennsylvania Fair 1920 106 1,000
NESCOPECK CREEK Pennsylvania Poor 1920 106 280
TOBYS CREEK Pennsylvania Poor 1920 106 220

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.