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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
CHOCONUT CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1900 100
COAL RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1901 100
JOHNSONS CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1988 100
WILSON CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1930 100
Ravers Run Pennsylvania Scour Critical — Countermeasures Installed Fair 1997 100
TRIB. TO STONEY RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1999 100
NORTH RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1945 100
OVER CHERRYTREE RUN Pennsylvania Scour Critical — Countermeasures Installed Poor 1900 100
MIDDLE BR. SUGAR CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1880 100
OVER PINE RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1990 100
OVER IRVINE RUN Pennsylvania Scour Critical — Countermeasures Installed Poor 1965 100
OVER CALDWELL CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1940 100
OVER KIANTONE CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1940 100
OVER KIANTONE CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1979 100
OVER WIDDELFIELD RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1955 100
WOLFHOUSE RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1952 99
OVER WOLFHOUSE RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1952 99
Mountain Creek Pennsylvania Scour Critical — Countermeasures Installed Poor 1950 99
MILLER BROOK Pennsylvania Scour Critical — Countermeasures Installed Fair 1958 98
MUDDY RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1936 98
Mill Run Pennsylvania Scour Critical — Countermeasures Installed Poor 1922 98
SCIOTO CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1915 97
S BR EQUINUNK CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1950 96
BLACKLEGS CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1952 94
OVER LICK RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1934 94
OVER CALDWELL CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1952 94
TRIB TO LITTLE SWATARA Pennsylvania Scour Critical — Countermeasures Installed Poor 1950 93
LUDINGTON RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1910 92
STRAIGHT RUN Pennsylvania Scour Critical — Countermeasures Installed Poor 1921 91
HOKENDAUQUA CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1913 90
Big Run Pennsylvania Scour Critical — Countermeasures Installed Fair 1962 89
MILK & WATER CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1952 87
MAHONING CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1961 87
POORBAUGH RUN Pennsylvania Scour Critical — Countermeasures Installed Poor 1937 87
OVER PITHOLE CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1905 87
MILES RUN Pennsylvania Scour Critical — Countermeasures Installed Poor 1950 85
SHERMAN VALLEY RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1950 82
SHERMAN VALLEY RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1950 82
Snake Run to Beaver Run Pennsylvania Scour Critical — Countermeasures Installed Poor 1950 82
PINEY CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1971 81
TRIB.TO SUSQUEHANNA RIVE Pennsylvania Scour Critical — Countermeasures Installed Fair 1961 81
SIDE CHAN FRANK BR JUN R Pennsylvania Scour Critical — Countermeasures Installed Fair 1983 80
LUTHERSBURGBRSANDYLICKCR Pennsylvania Scour Critical — Countermeasures Installed Poor 1915 80
WHITES CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1942 80
Indian Run Pennsylvania Scour Critical — Countermeasures Installed Good 1988 78
BRUSH CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1923 78
OVER OIL CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1884 77
Blue Hole Creek Pennsylvania Scour Critical — Countermeasures Installed Poor 1950 75
LITTLE ELK FORK Pennsylvania Scour Critical — Countermeasures Installed Fair 1973 75
TENMILE CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1954 75

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