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
CHERRY RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1938 355
OVER BASKIN RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1959 354
LYON CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1949 351
LYON CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1949 351
QUEMAHONING CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1917 350
Rankin Run Pennsylvania Scour Critical — Countermeasures Installed Poor 1965 350
GARRETTS RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1956 350
FURNACE CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1925 350
LIZARD CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1934 350
OVER KINGS CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1967 350
DRY RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1930 350
LITTLE MARTINS CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1981 350
TOMS RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1952 350
Aquetong Creek Pennsylvania Scour Critical — Countermeasures Installed Fair 1960 350
LITTLE MARTINS CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1911 350
OVER MEAD RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 2001 347
SUGAR CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1971 347
MIDDLE CREEK Pennsylvania Scour Critical — Countermeasures Installed Good 1966 345
CONEWAGO CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1970 344
OVER HARTS CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1959 340
BRUSH CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1941 336
LICKING CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1930 334
OVER THORNBOTTOM CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1955 333
MILL CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1960 330
OVER LITTLE SUGAR CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1966 330
OVER TOWNLEY RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1942 324
KERSHNERS CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1934 320
TOBY CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1941 320
PINE CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1860 320
DUNKARD CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1961 320
OVER SHANERBURG RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1934 318
Otter Creek Branch Pennsylvania Scour Critical — Countermeasures Installed Fair 1982 318
THOMPSON RUN Pennsylvania Scour Critical — Countermeasures Installed Good 1954 317
OVER SHAMOKIN CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1934 317
BILLINGS MILL CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1990 317
SACONY CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1950 316
ECKERS RUN Pennsylvania Scour Critical — Countermeasures Installed Poor 1929 316
SUGAR GROVE RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1930 316
GEDDES RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1906 314
BLACKLEGS CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1939 313
RAYMONDSKILL CREEK Pennsylvania Scour Critical — Countermeasures Installed Fair 1954 312
DRIFTWOOD BRANCH Pennsylvania Scour Critical — Countermeasures Installed Fair 1963 310
OVER MOSEY RUN Pennsylvania Scour Critical — Countermeasures Installed Poor 1936 310
W BR DONEGAL CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1930 310
DELLINGER RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1992 310
LITTLE MANATAWNY CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1923 307
BUCK & DOE RUN Pennsylvania Scour Critical — Countermeasures Installed Good 1937 307
CHERRY RUN Pennsylvania Scour Critical — Countermeasures Installed Fair 1938 306
BR OF S BR TUNKHANNOCK C Pennsylvania Scour Critical — Countermeasures Installed Poor 1930 301
LITTLE BUSHKILL CREEK Pennsylvania Scour Critical — Countermeasures Installed Poor 1931 300

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.