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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
PENNYPACK CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1934 1,000
DARK RUN Pennsylvania Scour Critical — Countermeasures Installed Poor 1960 1,000
INDIAN CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1986 1,000
Mill Creek Pennsylvania Scour Critical — Countermeasures Installed Fair 1960 1,000
Trib to Bushy Run Pennsylvania Scour Critical — Countermeasures Installed Poor 1989 1,000
MONOCACY CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1949 1,000
East Branch Stony Creek Pennsylvania Scour Critical — Countermeasures Installed Fair 1933 1,000
HOSENSACK CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1941 999
TRIB. TO SAUCON CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1940 996
PINE CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1928 981
CHESTER CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1930 980
E BR CONOCOCHEAQUE CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1941 980
SCHUYLKILL RIVER Pennsylvania Scour Critical — Countermeasures Installed Fair 1923 974
BROAD RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1915 959
Trib Little Beaver Creek Pennsylvania Scour Critical — Countermeasures Installed Fair 1938 958
MUNNELL RUN Pennsylvania Scour Critical — Countermeasures Installed Poor 1910 951
TRIB TO FISHING CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1923 945
MUDDY CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1933 938
TR.QUEMAHONING CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1969 934
BIRCH RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1940 920
TRIB TO MIDDLE CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1958 918
LITTLE SWATARA CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1937 913
MAHONING CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1910 910
PIGEON CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1950 910
BECK CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1937 900
BR OF PINE CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1941 892
TRIB.STONY CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1930 876
OVER RAPID RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1932 870
LIMESTONE RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1900 864
SEAKS RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1948 862
TRIB.TO BUSHKILL CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1927 858
KAERCHERS CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1940 858
OVER DELWARE RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1940 850
ABERS CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1893 850
LITTLE SWATARA CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1934 850
CROOKED CREEK Pennsylvania Scour Critical — Countermeasures Installed Good 1975 850
OVER CARPENTER RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1937 849
TAYLOR RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1954 849
SHUEYS RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1937 846
OVER TIOGA RIVER Pennsylvania Scour Critical — Countermeasures Installed Fair 1939 843
OVER MORRIS RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1959 843
OVER MORRIS RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1959 843
WEST FORK CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1929 841
SHAMONA CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1942 840
SOLOMON CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1977 835
DRY CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1919 834
STONY CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1931 833
WEST BR OF BRANDYWINE CR Pennsylvania Scour Critical — Countermeasures Installed Poor 1918 833
ROCK RUN Pennsylvania Scour Critical — Countermeasures Installed Poor 1973 833
Trib of L Sewickley Crk Pennsylvania Scour Critical — Countermeasures Installed Poor 1930 833

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