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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
LOGAN RIVER Utah Scour Critical — Unaddressed Poor 1983 4,505
SMITH AND MOREHOUSE CR Utah Scour Critical — Unaddressed Poor 1996 914
THISTLE CREEK Utah Scour Critical — Unaddressed Poor 2005 252
WEBER-PROVO DIV. CANAL Utah Scour Critical — Unaddressed Poor 1960 233
MALAD RIVER Utah Scour Critical — Unaddressed Poor 1978 139
LAKE FORK OVERFLOW CHAN. Utah Scour Critical — Unaddressed Poor 1999 63
LITTLE BEAR RIVER Utah Scour Critical — Countermeasures Ineffective Good 2022 1,008
Oquirrh Lake Utah Scour Critical — Countermeasures Ineffective Good 2008 1,000
UPRR UTA Canal and River Utah Scour Critical — Countermeasures Ineffective Good 2022 1,000
Logan River Utah Scour Critical — Countermeasures Ineffective Good 2023 1,000
Oquirrh Lake Utah Scour Critical — Countermeasures Ineffective Fair 2008 1,000
Dry Creek Utah Scour Critical — Countermeasures Ineffective Fair 2012 500
BRUSH CREEK CANAL Utah Scour Critical — Countermeasures Ineffective Good 2024 140
SAND CREEK Utah Scour Critical — Countermeasures Ineffective Fair 2024 63
Tributary to Paria River Utah Scour Critical — Countermeasures Ineffective Good 2024 50
ALVEY WASH Utah Scour Critical — Countermeasures Ineffective Poor 1987 19
WHITE RIVER Utah Scour Critical — Countermeasures Ineffective Poor 2000 5
MUDDY CREEK Utah Scour Critical — Countermeasures Ineffective Good 2023 3
JORDAN RIVER Utah Scour Critical — Countermeasures Installed Fair 1966 34,656
BIG COTTONWOOD CREEK Utah Scour Critical — Countermeasures Installed Poor 1936 20,009
PROVO RIVER Utah Scour Critical — Countermeasures Installed Fair 1960 14,608
VIRGIN RIVER Utah Scour Critical — Countermeasures Installed Fair 1976 13,973
JORDAN RIVER Utah Scour Critical — Countermeasures Installed Fair 1960 10,981
SANTA CLARA RIVER Utah Scour Critical — Countermeasures Installed Fair 1931 6,533
NORTH FORK OGDEN RIVER Utah Scour Critical — Countermeasures Installed Fair 1947 5,200
ECHO CREEK Utah Scour Critical — Countermeasures Installed Fair 1924 3,938
EAST CANYON CREEK Utah Scour Critical — Countermeasures Installed Fair 1952 3,743
WILLOW CREEK Utah Scour Critical — Countermeasures Installed Fair 1962 3,058
WEBER RIVER Utah Scour Critical — Countermeasures Installed Fair 1936 2,848
WILLOW CREEK Utah Scour Critical — Countermeasures Installed Fair 1962 2,375
LOGAN RIVER Utah Scour Critical — Countermeasures Installed Fair 1953 2,000
COTTONWOOD CREEK Utah Scour Critical — Countermeasures Installed Fair 1930 1,582
HOBBLE CREEK Utah Scour Critical — Countermeasures Installed Good 1976 1,512
SPRING CANYON WASH Utah Scour Critical — Countermeasures Installed Fair 1922 1,386
UTAH AND SALT LAKE CANAL Utah Scour Critical — Countermeasures Installed Fair 1981 1,323
WEBER RIVER Utah Scour Critical — Countermeasures Installed Fair 1961 1,298
NORTH FORK OGDEN RIVER Utah Scour Critical — Countermeasures Installed Fair 1958 1,260
DEEP CREEK Utah Scour Critical — Countermeasures Installed Fair 1960 1,034
BIG COTTONWOOD CREEK Utah Scour Critical — Countermeasures Installed Fair 1981 1,021
JORDAN AND SALT LAKE C Utah Scour Critical — Countermeasures Installed Fair 1987 1,008
HOBBLE CREEK Utah Scour Critical — Countermeasures Installed Fair 1952 945
DRY FORK OF WEBER RIVER Utah Scour Critical — Countermeasures Installed Fair 1950 844
ASHLEY CREEK Utah Scour Critical — Countermeasures Installed Fair 1987 780
SO.BR.SO.FK. OGDEN RIVER Utah Scour Critical — Countermeasures Installed Good 1983 756
BOX ELDER CREEK Utah Scour Critical — Countermeasures Installed Fair 1930 693
NO.BR.SO.FK. OGDEN RIVER Utah Scour Critical — Countermeasures Installed Fair 1985 662
MIDDLE FORK OGDEN RIVER Utah Scour Critical — Countermeasures Installed Fair 1950 655
STEINAKER CANAL Utah Scour Critical — Countermeasures Installed Fair 1960 643
HUNTINGTON CREEK Utah Scour Critical — Countermeasures Installed Fair 1961 584
NEWTON CREEK Utah Scour Critical — Countermeasures Installed Fair 1991 504

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