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
BURGETTS FORK Pennsylvania Poor 1910 116 1,195
BUFFALO CREEK Pennsylvania Good 1910 116 40
WHEELING CREEK TRIB Pennsylvania Fair 1910 116 50
HOLLISTER CREEK Pennsylvania Poor 1910 116 40
BEAVER DAM CREEK Pennsylvania Poor 1910 116 10
JONES CREEK Pennsylvania Fair 1910 116 70
MILL CREEK Pennsylvania Poor 1910 116 50
L.SEWICKLEY CK. Pennsylvania Good 1910 116 100
S BR CODORUS CREEK Pennsylvania Poor 1910 116 1,760
TYLERS RUN Pennsylvania Fair 1910 116 6,707
SO BRANCH CODORUS CREEK Pennsylvania Fair 1910 116 141
FISHING CREEK Pennsylvania Poor 1910 116 624
SEPTA(BALA STATION) Pennsylvania Poor 1910 116 39,654
CSX RAILROAD(MAIN LINE) Pennsylvania Fair 1910 116 7,081
SEPTA Pennsylvania Fair 1910 116 4,200
AMTRAK (NE Corridor) Pennsylvania Fair 1910 116 4,000
AMTRAK (Pittsburgh ML) Pennsylvania Good 1910 116 8,000
OVER SILL RUN Pennsylvania Fair 1910 116 447
OVER FRENCH CREEK S.BR. Pennsylvania Good 1910 116 6,877
Trib to Slippery Rock Cr Pennsylvania Fair 1910 116 103
BR. OF COBBS CREEK Pennsylvania Fair 1910 116 5,000
Fallen Timber Run Pennsylvania Poor 1910 116 100
STORM SEWER Pennsylvania Poor 1910 116 8,374
SANDY RUN Pennsylvania Fair 1910 116 50
KEYSER CREEK Pennsylvania Poor 1910 116 100
CONEWAGO CREEK Pennsylvania Fair 1911 115 100
GIRTYS RUN Pennsylvania Fair 1911 115 2,500
GIRTYS RUN Pennsylvania Poor 1911 115 50
GIRTYS RUN Pennsylvania Poor 1911 115 4,500
GIRTYS RUN Pennsylvania Fair 1911 115 200
GIRTYS RUN Pennsylvania Fair 1911 115 500
SACONY CREEK Pennsylvania Fair 1911 115 7,077
LITTLE SWATARA CREEK Pennsylvania Poor 1911 115 83
BEAVERDAM BR.JUNIATA RIV Pennsylvania Fair 1911 115 7,061
ADAMS HOLLOW CREEK Pennsylvania Fair 1911 115 3,390
MORRIS RUN Pennsylvania Poor 1911 115 100
BRANCH CHESTER CREEK Pennsylvania Fair 1911 115 9,298
SCOTCH RUN Pennsylvania Poor 1911 115 70
MIDDLE SPRING CREEK Pennsylvania Fair 1911 115 11,499
LITTLE TOBY CREEK Pennsylvania Fair 1911 115 234
CROOKED CREEK Pennsylvania Fair 1911 115 105
TONOLOWAY CREEK Pennsylvania Poor 1911 115 20
AUGHWICK CREEK Pennsylvania Fair 1911 115 211
RICHARDS RUN Pennsylvania Poor 1911 115 116
RUNAWAY RUN Pennsylvania Poor 1911 115 50
WAMPUM RUN Pennsylvania Fair 1911 115 97
UPPER TUNKHANNOCK CREEK Pennsylvania Good 1911 115 842
KEPNER CREEK Pennsylvania Fair 1911 115 9,486
P&W RR (SEPTA) Pennsylvania Fair 1911 115 2,744
EAST BR. PERKIOMEN CREEK Pennsylvania Fair 1911 115 649

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.