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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.

Clear
Bridge State Scour Status Condition Year Built ADT
BEAR CREEK Tennessee Scour Critical — Countermeasures Installed Poor 1928 18,146
CLEAR CREEK Tennessee Scour Critical — Countermeasures Installed Fair 1926 17,719
TURKEY CREEK Tennessee Scour Critical — Countermeasures Installed Fair 1934 17,225
EMORY RIVER Tennessee Scour Critical — Countermeasures Installed Fair 1957 16,817
LOOSAHATCHIE RIVER Tennessee Scour Critical — Countermeasures Installed Fair 1977 16,419
INDIAN CR DRAINAGE CANAL Tennessee Scour Critical — Countermeasures Installed Poor 1924 16,405
BRANCH Tennessee Scour Critical — Countermeasures Installed Poor 1926 16,405
LITTLE RICHLAND CREEK Tennessee Scour Critical — Countermeasures Installed Fair 1960 15,352
LITTLE RICHLAND CREEK Tennessee Scour Critical — Countermeasures Installed Fair 1960 15,352
NONCONNAH CREEK Tennessee Scour Critical — Countermeasures Installed Fair 1980 14,539
BRANCH Tennessee Scour Critical — Countermeasures Installed Fair 1930 14,335
NORTH FORK CANE CREEK Tennessee Scour Critical — Countermeasures Installed Fair 1963 13,622
NORTH FORK CANE CREEK Tennessee Scour Critical — Countermeasures Installed Fair 1963 13,622
TOWN CREEK Tennessee Scour Critical — Countermeasures Installed Fair 1929 13,461
INDIAN CREEK Tennessee Scour Critical — Countermeasures Installed Good 1977 12,654
INDIAN CREEK Tennessee Scour Critical — Countermeasures Installed Good 1977 12,654
MILL CREEK Tennessee Scour Critical — Countermeasures Installed Fair 1960 11,840
MILL CREEK Tennessee Scour Critical — Countermeasures Installed Fair 1960 11,840
GROVE CREEK Tennessee Scour Critical — Countermeasures Installed Fair 1928 11,770
MISSISSIPPI RIVER Tennessee Scour Critical — Countermeasures Installed Fair 1975 11,561
OBION RIVER Tennessee Scour Critical — Countermeasures Installed Fair 1977 11,456
OBION RIVER Tennessee Scour Critical — Countermeasures Installed Fair 1977 11,456
OLD OBION RV DRAIN CAN Tennessee Scour Critical — Countermeasures Installed Good 1978 11,306
OVERFLOW Tennessee Scour Critical — Countermeasures Installed Fair 1978 11,306
OBION RIVER Tennessee Scour Critical — Countermeasures Installed Fair 1978 11,306
OBION RIVER Tennessee Scour Critical — Countermeasures Installed Fair 1978 11,306
OBION RIVER Tennessee Scour Critical — Countermeasures Installed Fair 1978 11,306
OVERFLOW Tennessee Scour Critical — Countermeasures Installed Good 1978 11,306
OBION RIVER Tennessee Scour Critical — Countermeasures Installed Good 1978 11,306
OLD OBION RV DRAIN CAN Tennessee Scour Critical — Countermeasures Installed Good 1978 11,306
CHESTNUT BRANCH Tennessee Scour Critical — Countermeasures Installed Fair 1984 11,265
CHESTNUT BRANCH Tennessee Scour Critical — Countermeasures Installed Fair 1961 11,265
MUD CREEK Tennessee Scour Critical — Countermeasures Installed Fair 1961 11,265
MUD CREEK Tennessee Scour Critical — Countermeasures Installed Good 1984 11,265
HARPETH RIVER Tennessee Scour Critical — Countermeasures Installed Poor 1962 11,007
CROOKED CREEK Tennessee Scour Critical — Countermeasures Installed Fair 1928 10,669
WOLF RIVER Tennessee Scour Critical — Countermeasures Installed Poor 1980 10,454
N. FK. FORKED DEER RIVER Tennessee Scour Critical — Countermeasures Installed Fair 1959 10,376
N. FK. FORKED DEER RIVER Tennessee Scour Critical — Countermeasures Installed Fair 1959 10,376
N. FK. FORKED DEER RIVER Tennessee Scour Critical — Countermeasures Installed Fair 1963 10,097
BRANCH Tennessee Scour Critical — Countermeasures Installed Fair 1959 10,030
BRANCH Tennessee Scour Critical — Countermeasures Installed Fair 1959 10,030
S. FK. FORKED DEER RIVER Tennessee Scour Critical — Countermeasures Installed Good 1959 9,555
OVERFLOW Tennessee Scour Critical — Countermeasures Installed Fair 1959 9,555
S. FK. FORKED DEER RIVER Tennessee Scour Critical — Countermeasures Installed Good 1959 9,555
OVERFLOW Tennessee Scour Critical — Countermeasures Installed Fair 1959 9,555
SANDY CREEK Tennessee Scour Critical — Countermeasures Installed Fair 1929 9,543
CHICKAMAUGA CREEK Tennessee Scour Critical — Countermeasures Installed Fair 1983 9,401
LOOSAHATCHIE RIVER Tennessee Scour Critical — Countermeasures Installed Poor 1970 9,352
OLIVER CREEK Tennessee Scour Critical — Countermeasures Installed Fair 1926 9,349

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