Scour Critical Bridges in Kentucky

56 bridges in Kentucky 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 56 bridges in Kentucky have been identified as vulnerable to scour damage.

Clear
Bridge State Scour Status Condition Year Built ADT
CULPEPPER HOLLOW Kentucky Scour Critical — Countermeasures Installed Fair 1977 28
Little South Fork River Kentucky Scour Critical — Countermeasures Installed Poor 1982 20
N Fork Kentucky River Kentucky Scour Critical — Countermeasures Installed Poor 1950 20
LICK FORK NEWCOMBE CREEK Kentucky Scour Critical — Countermeasures Installed Poor 1970 20
PANTHER CREEK Kentucky Scour Critical — Countermeasures Installed Poor 1974 12
Beaverdam Creek Kentucky Scour Critical — Countermeasures Installed Poor 1970 10

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.