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Scour Critical Bridges in Utah

100 bridges in Utah 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 100 bridges in Utah have been identified as vulnerable to scour damage.

Clear
Bridge State Scour Status Condition Year Built ADT
WEBER RIVER Utah Scour Critical — Countermeasures Installed Poor 1970 504
LEEDS CREEK Utah Scour Critical — Countermeasures Installed Fair 1931 504
GRIMES WASH Utah Scour Critical — Countermeasures Installed Fair 1954 400
WILSON CANAL Utah Scour Critical — Countermeasures Installed Fair 1973 350
GUYMON WASH Utah Scour Critical — Countermeasures Installed Fair 1992 300
MILLER CREEK Utah Scour Critical — Countermeasures Installed Fair 1979 252
ASHLEY CREEK Utah Scour Critical — Countermeasures Installed Fair 1979 252
WEBER RIVER Utah Scour Critical — Countermeasures Installed Poor 1970 252
NORTH FORK VIRGIN RIVER Utah Scour Critical — Countermeasures Installed Fair 1993 215
HUNTINGTON CREEK Utah Scour Critical — Countermeasures Installed Fair 1985 214
YELLOWSTONE CREEK Utah Scour Critical — Countermeasures Installed Fair 1985 202
LAKE FORK OVERFLOW CHAN. Utah Scour Critical — Countermeasures Installed Fair 1999 189
LAKE FORK CREEK Utah Scour Critical — Countermeasures Installed Fair 1992 189
NORTH CREEK Utah Scour Critical — Countermeasures Installed Fair 1981 151
SEVEN MILE CREEK Utah Scour Critical — Countermeasures Installed Fair 1992 139
FREMONT RIVER Utah Scour Critical — Countermeasures Installed Good 1989 139
Wayne Wash Utah Scour Critical — Countermeasures Installed Fair 1931 139
KENILWORTH WASH Utah Scour Critical — Countermeasures Installed Fair 1999 126
NASH CREEK Utah Scour Critical — Countermeasures Installed Fair 2004 126
SAND WASH Utah Scour Critical — Countermeasures Installed Fair 1994 126
PANGUITCH CREEK Utah Scour Critical — Countermeasures Installed Fair 2002 126
PLEASANT CREEK Utah Scour Critical — Countermeasures Installed Fair 1985 113
FREMONT RIVER Utah Scour Critical — Countermeasures Installed Fair 1976 113
MALAD RIVER Utah Scour Critical — Countermeasures Installed Poor 1930 110
SEVIER RIVER Utah Scour Critical — Countermeasures Installed Fair 1990 100
SMITH-MOOREHOUSE CK. Utah Scour Critical — Countermeasures Installed Poor 1950 100
SAN PITCH RIVER Utah Scour Critical — Countermeasures Installed Fair 1985 81
ALVEY WASH Utah Scour Critical — Countermeasures Installed Good 2000 76
SAN PITCH RIVER Utah Scour Critical — Countermeasures Installed Fair 1984 75
SEVIER RIVER Utah Scour Critical — Countermeasures Installed Fair 1970 69
DUCHESNE RIVER Utah Scour Critical — Countermeasures Installed Fair 1965 69
RED CREEK Utah Scour Critical — Countermeasures Installed Fair 1981 69
SAN PITCH RIVER Utah Scour Critical — Countermeasures Installed Fair 1983 68
BEAVER RIVER Utah Scour Critical — Countermeasures Installed Poor 1923 63
BUCK HORN DRAW WASH Utah Scour Critical — Countermeasures Installed Fair 1987 63
RED CREEK Utah Scour Critical — Countermeasures Installed Fair 1981 63
CURRANT CREEK Utah Scour Critical — Countermeasures Installed Fair 1929 63
DUCHESNE RIVER Utah Scour Critical — Countermeasures Installed Poor 1942 63
BIG COTTONWOOD CREEK Utah Scour Critical — Countermeasures Installed Fair 1950 63
Coal Creek Utah Scour Critical — Countermeasures Installed Fair 1987 50
SAN PITCH RIVER Utah Scour Critical — Countermeasures Installed Fair 1984 50
BRYCE CREEK Utah Scour Critical — Countermeasures Installed Good 1990 32
HENRIEVILLE CREEK Utah Scour Critical — Countermeasures Installed Poor 1974 32
WILLOW CREEK Utah Scour Critical — Countermeasures Installed Fair 1972 26
ANTIMONY CANAL Utah Scour Critical — Countermeasures Installed Fair 1984 25
HORSE CANYON WASH Utah Scour Critical — Countermeasures Installed Fair 1991 19
PRICE RIVER Utah Scour Critical — Countermeasures Installed Poor 1914 19
SALERATUS WASH Utah Scour Critical — Countermeasures Installed Fair 1931 13
KANAB CREEK Utah Scour Critical — Countermeasures Installed Fair 1993 13
MAMMOTH CREEK Utah Scour Critical — Countermeasures Installed Poor 1945 6

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