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Scour Critical Bridges in Pennsylvania

2,233 bridges in Pennsylvania at risk from water erosion around foundations.

Scour Critical Bridges

Scour is the erosion of soil and rock around a bridge's foundation caused by moving water. When foundations are exposed or undermined, a bridge can collapse even if its deck and superstructure are in good condition. Scour is the leading cause of bridge failures in the US. These 2,233 bridges in Pennsylvania have been identified as vulnerable to scour damage.

Clear
Bridge State Scour Status Condition Year Built ADT
KETTLE CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 2000 50
TRIB AUNT CLARA FORK Pennsylvania Scour Critical — Countermeasures Installed Fair 1960 50
VAN AUKEN CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1930 50
N BRANCH CALKINS CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1895 50
HOLLISTER CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1963 50
TUBMILL CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1960 50
PORTERS RUN Pennsylvania Scour Critical — Countermeasures Installed Poor 1914 50
WHITELOCK CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1945 50
WHITELOCK CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1945 50
FALLS CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1920 50
BUTTERMILK CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1978 50
MARSH CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1920 50
FISHING CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1960 50
KREUTZ CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1940 50
Tacony Creek Pennsylvania Scour Critical — Countermeasures Installed Poor 1801 50
TRIBUTARY OF MILLERS RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1935 50
EQUINUNK CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1975 49
EQUINUNK CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1942 49
STREETS RUN CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1931 47
SMOKY RUN Pennsylvania Scour Critical — Countermeasures Installed Poor 1920 46
POTTS RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1909 45
HONEY CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1933 45
CLOVER CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1912 44
TRIB TO DUBOIS CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 2002 44
TRIB OF DUBOIS CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1950 44
Mill Creek Pennsylvania Scour Critical — Countermeasures Installed Poor 1908 43
COFFEE RUN Pennsylvania Scour Critical — Countermeasures Installed Poor 1913 42
LITTLE DEER CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1910 41
BRUSH CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1940 41
EVITTS CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1956 40
W.BR.SIDELING HILL CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1988 40
BEAVER RUN Pennsylvania Scour Critical — Countermeasures Installed Poor 1935 40
MILL RUN Pennsylvania Scour Critical — Countermeasures Installed Poor 1955 40
LEHIGH RIVER Pennsylvania Scour Critical — Countermeasures Installed Poor 1956 40
W. BR. LITTLE MUNCY CRK. Pennsylvania Scour Critical — Countermeasures Installed Poor 1919 40
LITTLE MUNCY CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1920 40
HALF MILE RUN Pennsylvania Scour Critical — Countermeasures Installed Poor 1950 40
SINNEMAHONING PORTAGE CR Pennsylvania Scour Critical — Countermeasures Installed Fair 1930 40
KNAPP CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1890 40
GOODSPRING CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1935 40
ELK RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1963 40
ZIMMERMAN CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1916 40
CAMP BROOK Pennsylvania Scour Critical — Countermeasures Installed Fair 1990 40
STRAIGHT RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1977 40
PIGEON CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1942 40
Crafts Creek Pennsylvania Scour Critical — Countermeasures Installed Fair 1936 40
RACCOON CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1887 40
LITTLE SEWICKLEY CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1940 39
CHERRY CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1940 38
EAST BR CHILLISQUAQUE CR Pennsylvania Scour Critical — Countermeasures Installed Poor 1919 38

Scour Critical Rating Codes

Code 2 — UnaddressedBridge is scour critical with no countermeasures installed. The foundation is vulnerable and no protective action has been taken.
Code 3 — Countermeasures InstalledProtective measures (riprap, sheet piling, etc.) have been installed to reduce scour risk, but the bridge remains classified as scour critical.
Code 6 — Countermeasures IneffectiveProtective measures were installed but have been assessed as ineffective. The bridge requires re-evaluation and additional action.

About Scour Critical Bridges

Scour critical bridges have been identified through underwater inspection or analysis as having foundations that are unstable or could become unstable during flood conditions. FHWA requires action plans for all scour critical bridges. Famous scour failures include the 1987 Schoharie Creek Bridge collapse in New York.

All Bridges Poor Condition Historic Bridges Bridge Stats