Scour Critical Bridges in New York
864 bridges in New York 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 864 bridges in New York have been identified as vulnerable to scour damage.
| Bridge | State | Scour Status | Condition | Year Built | ADT |
|---|---|---|---|---|---|
| RED CREEK | New York | Scour Critical — Countermeasures Installed | Poor | 1930 | 216 |
| PINE KILL | New York | Scour Critical — Countermeasures Installed | Fair | 1957 | 215 |
| HATCH CREEK | New York | Scour Critical — Countermeasures Installed | Fair | 1950 | 214 |
| RED HOUSE BROOK | New York | Scour Critical — Countermeasures Installed | Fair | 1935 | 210 |
| POWAMPPOKONK CRK | New York | Scour Critical — Countermeasures Installed | Poor | 1915 | 210 |
| WELLS BROOK | New York | Scour Critical — Countermeasures Installed | Poor | 1900 | 210 |
| SACANDAGA RIVER | New York | Scour Critical — Countermeasures Installed | Good | 1935 | 209 |
| TRIB BALDWIN CRK | New York | Scour Critical — Countermeasures Installed | Fair | 1936 | 209 |
| WASSAIC CREEK | New York | Scour Critical — Countermeasures Installed | Fair | 1925 | 206 |
| SANDBURG CREEK | New York | Scour Critical — Countermeasures Installed | Fair | 1932 | 206 |
| METTACAHONTS CREEK | New York | Scour Critical — Countermeasures Installed | Fair | 2000 | 204 |
| KLYNE KILL | New York | Scour Critical — Countermeasures Installed | Fair | 1930 | 204 |
| BRADT HOLLOW CREEK | New York | Scour Critical — Countermeasures Installed | Fair | 1949 | 203 |
| LOOMIS BROOK | New York | Scour Critical — Countermeasures Installed | Fair | 1941 | 202 |
| MARBLE RIVER | New York | Scour Critical — Countermeasures Installed | Poor | 1950 | 201 |
| WARNER CREEK | New York | Scour Critical — Countermeasures Installed | Fair | 1928 | 200 |
| POPOLOPEN LAKE OUTLET | New York | Scour Critical — Countermeasures Installed | Fair | 2002 | 200 |
| WILLOWEMOC CREEK | New York | Scour Critical — Countermeasures Installed | Fair | 1860 | 199 |
| BROWNELL BRANCH | New York | Scour Critical — Countermeasures Installed | Fair | 1950 | 197 |
| WARNER CREEK | New York | Scour Critical — Countermeasures Installed | Fair | 1987 | 195 |
| PLEASANT BROOK | New York | Scour Critical — Countermeasures Installed | Fair | 1934 | 194 |
| GOOSEBERRY CREEK | New York | Scour Critical — Countermeasures Installed | Fair | 1974 | 194 |
| BLACK CREEK | New York | Scour Critical — Countermeasures Installed | Fair | 1950 | 194 |
| KARR VALLEY CREEK | New York | Scour Critical — Countermeasures Installed | Fair | 2004 | 193 |
| BROAD ST HOLLW BK | New York | Scour Critical — Countermeasures Installed | Fair | 1987 | 191 |
| STONY CREEK | New York | Scour Critical — Countermeasures Installed | Fair | 1956 | 190 |
| SHONGO CREEK | New York | Scour Critical — Countermeasures Installed | Fair | 1982 | 189 |
| CROMLINE CREEK | New York | Scour Critical — Countermeasures Installed | Poor | 1947 | 187 |
| COLD SPRING CREEK | New York | Scour Critical — Countermeasures Installed | Poor | 1969 | 185 |
| N BR SAWMILL RUN | New York | Scour Critical — Countermeasures Installed | Fair | 1967 | 185 |
| E FK TONAWANDA CK | New York | Scour Critical — Countermeasures Installed | Fair | 1960 | 183 |
| TENMILE CREEK | New York | Scour Critical — Countermeasures Installed | Fair | 1994 | 183 |
| TRIBUTARY KINDERHOOK CRE | New York | Scour Critical — Countermeasures Installed | Fair | 1941 | 182 |
| DEWITTVILLE CREEK | New York | Scour Critical — Countermeasures Installed | Fair | 1925 | 182 |
| PARKHURST BROOK | New York | Scour Critical — Countermeasures Installed | Fair | 1965 | 181 |
| MILWAUKEE CREEK | New York | Scour Critical — Countermeasures Installed | Fair | 1991 | 180 |
| CANOPUS CREEK | New York | Scour Critical — Countermeasures Installed | Poor | 1930 | 178 |
| DUNDERBERG CREEK | New York | Scour Critical — Countermeasures Installed | Poor | 1880 | 174 |
| NEWTOWN CREEK | New York | Scour Critical — Countermeasures Installed | Poor | 1934 | 173 |
| BEAR GULCH CREEK | New York | Scour Critical — Countermeasures Installed | Poor | 1906 | 170 |
| BLACK CREEK | New York | Scour Critical — Countermeasures Installed | Fair | 1957 | 169 |
| SAGE CREEK | New York | Scour Critical — Countermeasures Installed | Poor | 1987 | 167 |
| WALLOOMSAC RIVER | New York | Scour Critical — Countermeasures Installed | Poor | 1920 | 165 |
| GRIDLEY CREEK | New York | Scour Critical — Countermeasures Installed | Fair | 1971 | 165 |
| TONAWANDA CREEK | New York | Scour Critical — Countermeasures Installed | Fair | 1952 | 165 |
| Tin Brook | New York | Scour Critical — Countermeasures Installed | Fair | 2013 | 164 |
| BOUQUET RIVER | New York | Scour Critical — Countermeasures Installed | Poor | 1984 | 164 |
| TROUT RIVER | New York | Scour Critical — Countermeasures Installed | Good | 1966 | 164 |
| PUMPELLY CREEK | New York | Scour Critical — Countermeasures Installed | Poor | 1930 | 163 |
| PUMPELLY CREEK | New York | Scour Critical — Countermeasures Installed | Poor | 1930 | 163 |
Scour Critical Rating Codes
| Code 2 — Unaddressed | Bridge is scour critical with no countermeasures installed. The foundation is vulnerable and no protective action has been taken. |
| Code 3 — Countermeasures Installed | Protective measures (riprap, sheet piling, etc.) have been installed to reduce scour risk, but the bridge remains classified as scour critical. |
| Code 6 — Countermeasures Ineffective | Protective 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.