Scour Critical Bridges in Vermont

242 bridges in Vermont 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 242 bridges in Vermont have been identified as vulnerable to scour damage.

Clear
Bridge State Scour Status Condition Year Built ADT
LITTLE NOTCH BROOK Vermont Scour Critical — Countermeasures Installed Fair 1919 20
LITTLE OTTER CREEK Vermont Scour Critical — Countermeasures Installed Fair 1919 20
SOUTH PEACHAM BROOK Vermont Scour Critical — Countermeasures Installed Poor 1974 20
JOINER BROOK Vermont Scour Critical — Countermeasures Installed Fair 1919 20
LITTLE RIVER Vermont Scour Critical — Countermeasures Installed Fair 1978 20
3RD BRANCH WHITE R. Vermont Scour Critical — Countermeasures Installed Good 1971 20
W. BR. OMPOMPANOOSUC R. Vermont Scour Critical — Countermeasures Installed Fair 1991 20
BULL CREEK Vermont Scour Critical — Countermeasures Installed Poor 1900 20
EAST PUTNEY BROOK Vermont Scour Critical — Countermeasures Installed Poor 1930 20
LOCUST CREEK Vermont Scour Critical — Countermeasures Installed Good 1974 20
GILEAD BROOK Vermont Scour Critical — Countermeasures Installed Fair 1974 20
N. BR. OTTAUQUECHEE R. Vermont Scour Critical — Countermeasures Installed Good 1997 20
N. BR OTTAUQUECHEE R Vermont Scour Critical — Countermeasures Installed Good 1974 20
BROAD BROOK Vermont Scour Critical — Countermeasures Installed Good 1974 20
WILLIAMS RIVER Vermont Scour Critical — Countermeasures Installed Fair 1940 20
JEWELL BROOK Vermont Scour Critical — Countermeasures Installed Good 1919 20
PINNEY HOLLOW BROOK Vermont Scour Critical — Countermeasures Installed Good 1974 20
1ST BRANCH WHITE R. Vermont Scour Critical — Countermeasures Installed Poor 1919 20
BRUSH BROOK Vermont Scour Critical — Countermeasures Installed Good 2023 15
JENNY COOLIDGE BROOK Vermont Scour Critical — Countermeasures Installed Fair 1935 15
LEWIS CREEK Vermont Scour Critical — Countermeasures Installed Good 1952 10
W. BR. DEERFIELD RIVER Vermont Scour Critical — Countermeasures Installed Fair 1929 10
LAMOILLE RIVER Vermont Scour Critical — Countermeasures Installed Fair 1950 10
NATION BROOK Vermont Scour Critical — Countermeasures Installed Fair 1974 10
COBB BROOK Vermont Scour Critical — Countermeasures Installed Good 1914 10
LEE RIVER Vermont Scour Critical — Countermeasures Installed Fair 1914 10
CUTLER MILL BROOK Vermont Scour Critical — Countermeasures Installed Good 1975 10
HALLS BROOK Vermont Scour Critical — Countermeasures Installed Good 1919 10
BLACK RIVER Vermont Scour Critical — Countermeasures Installed Fair 1946 10
POTTER BROOK Vermont Scour Critical — Countermeasures Installed Fair 1958 10
WINOOSKI RIVER Vermont Scour Critical — Countermeasures Installed Good 1960 10
MID. BR WILLIAMS RIVER Vermont Scour Critical — Countermeasures Installed Fair 1974 10
LOCUST CREEK Vermont Scour Critical — Countermeasures Installed Poor 1977 10
LOCUST CREEK Vermont Scour Critical — Countermeasures Installed Poor 1987 10
GILEAD BROOK Vermont Scour Critical — Countermeasures Installed Good 1974 10
COLD BROOK Vermont Scour Critical — Countermeasures Installed Good 1976 10
N. BR. OTTAUQUECHEE R. Vermont Scour Critical — Countermeasures Installed Good 1973 10
BROAD BROOK Vermont Scour Critical — Countermeasures Installed Poor 1933 10
GREENDALE BROOK Vermont Scour Critical — Countermeasures Installed Good 1940 10
MILLER RUN Vermont Scour Critical — Countermeasures Installed Poor 1928 5
BROOK Vermont Scour Critical — Countermeasures Installed Good 1974 5
OMPOMPANOOSUC RIVER Vermont Scour Critical — Countermeasures Installed Fair 1925 2

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.