Scour Critical Bridges in Tennessee
581 bridges in Tennessee 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 581 bridges in Tennessee have been identified as vulnerable to scour damage.
| Bridge | State | Scour Status | Condition | Year Built | ADT |
|---|---|---|---|---|---|
| CROW CREEK | Tennessee | Scour Critical — Countermeasures Installed | Poor | 1972 | 140 |
| BRANCH | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1970 | 130 |
| BRANCH | Tennessee | Scour Critical — Countermeasures Installed | Fair | 2004 | 130 |
| BEAVER DAM CREEK | Tennessee | Scour Critical — Countermeasures Installed | Poor | 1968 | 130 |
| BEAVER DAM CREEK | Tennessee | Scour Critical — Countermeasures Installed | Poor | 1972 | 130 |
| DRY CREEK | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1965 | 126 |
| MOUNTAIN CREEK | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1978 | 124 |
| SHAWS CREEK | Tennessee | Scour Critical — Countermeasures Installed | Poor | 1977 | 120 |
| LAUREL CREEK CANAL | Tennessee | Scour Critical — Countermeasures Installed | Poor | 1960 | 120 |
| LITTLE CYPRESS CR CANAL | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1960 | 120 |
| MIDDLETON CREEK | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1970 | 120 |
| W FORK BUFFALO RIVER | Tennessee | Scour Critical — Countermeasures Installed | Poor | 1984 | 120 |
| WOODVILLE CREEK | Tennessee | Scour Critical — Countermeasures Installed | Poor | 2013 | 111 |
| MARROWBONE CREEK | Tennessee | Scour Critical — Countermeasures Installed | Poor | 1965 | 110 |
| BRANCH OF WOLF RIVER | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1965 | 110 |
| RICHLAND CREEK | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1969 | 110 |
| OVERFLOW | Tennessee | Scour Critical — Countermeasures Installed | Good | 1982 | 110 |
| CANE CREEK | Tennessee | Scour Critical — Countermeasures Installed | Poor | 1978 | 110 |
| BEAR CREEK | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1936 | 102 |
| BRANCH | Tennessee | Scour Critical — Countermeasures Installed | Poor | 1970 | 100 |
| DRAINAGE DITCH - COW CR. | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1997 | 100 |
| ADAMS BRANCH | Tennessee | Scour Critical — Countermeasures Installed | Poor | 1995 | 100 |
| CANE CREEK | Tennessee | Scour Critical — Countermeasures Installed | Poor | 1965 | 100 |
| OVERFLOW | Tennessee | Scour Critical — Countermeasures Installed | Poor | 1971 | 93 |
| RUTHERFORD FK OF OBION R | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1987 | 93 |
| MARTIN CREEK | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1973 | 92 |
| CANEY FORK RIVER | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1978 | 90 |
| BOONE CREEK | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1993 | 90 |
| BRANCH | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1970 | 90 |
| MIDDLE FORK OBION RIVER | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1970 | 90 |
| SULPHUR SPRINGS BRANCH | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1977 | 90 |
| TAR CREEK | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1977 | 90 |
| WALNUT GROVE BRANCH | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1970 | 90 |
| LEFT FORK WHITES CREEK | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1970 | 83 |
| RACCOON CREEK | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1960 | 80 |
| OVERFLOW | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1970 | 80 |
| TURKEY CREEK | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1970 | 80 |
| OLIVE BRANCH | Tennessee | Scour Critical — Countermeasures Installed | Poor | 1955 | 80 |
| HURRICANE CREEK | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1983 | 80 |
| BRANCH | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1972 | 80 |
| DUCK RIVER | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1962 | 76 |
| CLOVER CREEK | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1965 | 70 |
| YELLOW CREEK | Tennessee | Scour Critical — Countermeasures Installed | Good | 1984 | 70 |
| ELIZA CREEK | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1980 | 70 |
| OVERFLOW | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1965 | 70 |
| EAST FORK SPRING CREEK | Tennessee | Scour Critical — Countermeasures Installed | Poor | 1959 | 70 |
| HASSELL CREEK | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1973 | 70 |
| TUSCUMBIA RIVER | Tennessee | Scour Critical — Countermeasures Installed | Good | 1984 | 70 |
| MILL CREEK | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1971 | 68 |
| SMART CREEK | Tennessee | Scour Critical — Countermeasures Installed | Fair | 1965 | 60 |
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.