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
SR1005 LR 15050 Pennsylvania Fair 1950 76 47,120
VALLEY CREEK Pennsylvania Fair 1950 76 47,120
T-593 Pennsylvania Fair 1950 76 47,120
TRIB.VALLEY CREEK Pennsylvania Fair 1950 76 47,120
W. BR. TROUT CRK Pennsylvania Fair 1950 76 47,120
EAST BR.TROUT CRK Pennsylvania Good 1950 76 47,120
SR 0422 SR 3039 Pennsylvania Fair 1950 76 37,954
PIGEON CREEK Pennsylvania Poor 1950 76 910
DEER CREEK Pennsylvania Fair 1950 76 35
LICKING CREEK Pennsylvania Fair 1950 76 50
CHERRY RUN Pennsylvania Poor 1950 76 50
LEATHERWOOD CREEK Pennsylvania Fair 1950 76 50
BEAVER CREEK Pennsylvania Poor 1950 76 50
CLEARFIELD CREEK Pennsylvania Good 1950 76 538
ANDERSON CREEK Pennsylvania Good 1950 76 4,319
SANDY CREEK Pennsylvania Fair 1950 76 2,818
LABORDE BRANCH SANDY CR Pennsylvania Fair 1950 76 2,818
FISHING CREEK Pennsylvania Fair 1950 76 1,763
FISHING CREEK Pennsylvania Fair 1950 76 710
FISHING CREEK Pennsylvania Fair 1950 76 923
FISHING CREEK Pennsylvania Fair 1950 76 950
FISHING CREEK Pennsylvania Poor 1950 76 175
BRIAR CREEK Pennsylvania Good 1950 76 16,851
EAST BRANCH BRIAR CREEK Pennsylvania Fair 1950 76 909
OVER ROARING CREEK Pennsylvania Fair 1950 76 425
WEST BRANCH SHINGLE RUN Pennsylvania Fair 1950 76 33
OVER HUMMER CREEK Pennsylvania Fair 1950 76 827
OVER THOMPSON CREEK Pennsylvania Fair 1950 76 324
OVER MUDDY CREEK Pennsylvania Fair 1950 76 239
OVER MUDDY CREEK Pennsylvania Poor 1950 76 192
OVER SUGAR CREEK Pennsylvania Poor 1950 76 386
OVER CUSSEWAGO CREEK Pennsylvania Poor 1950 76 2,800
OVER CROOKED CREEK Pennsylvania Fair 1950 76 809
OVER OIL CREEK EAST BR. Pennsylvania Poor 1950 76 250
OVER FIVE MILE CREEK Pennsylvania Fair 1950 76 250
OVER LT.SUGAR CREEK Pennsylvania Poor 1950 76 250
OVER SUGAR CREEK Pennsylvania Poor 1950 76 250
US 11 SR 0011 Pennsylvania Fair 1950 76 7,610
LETORT SPRING RUN Pennsylvania Fair 1950 76 20,357
PA TPK (I-76) Pennsylvania Good 1950 76 3,159
PA TPK (I-76) Pennsylvania Fair 1950 76 200
PA TPK (I-76) Pennsylvania Fair 1950 76 4,911
PA TPK (I-76) Pennsylvania Good 1950 76 4,679
PA TPK (I-76) Pennsylvania Good 1950 76 15,257
PA TPK (I-76) Pennsylvania Fair 1950 76 6,438
PA TPK (I-76) Pennsylvania Good 1950 76 6,085
PA TPK (I-76) Pennsylvania Fair 1950 76 200
ASYLUM RUN Pennsylvania Poor 1950 76 22,619
TRIB TO WICONISCO CREEK Pennsylvania Good 1950 76 2,116
LAUREL RUN Pennsylvania Fair 1950 76 9,321

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.