Scour Critical Bridges in Arkansas

187 bridges in Arkansas 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 187 bridges in Arkansas have been identified as vulnerable to scour damage.

Clear
Bridge State Scour Status Condition Year Built ADT
Mike Creek Polk Co. Arkansas Scour Critical — Unaddressed Poor 1991 672
PHILLIPS CREEK Arkansas Scour Critical — Unaddressed Fair 1955 500
TULLEY CREEK Arkansas Scour Critical — Unaddressed Poor 1955 50
P.C. AVE RF Dr/AR River Arkansas Scour Critical — Countermeasures Ineffective Good 2024 133,000
SH 367 RR CREEK Arkansas Scour Critical — Countermeasures Ineffective Poor 1961 53,500
SH 367 RR CREEK Arkansas Scour Critical — Countermeasures Ineffective Poor 1961 53,500
Stone Dam Creek Arkansas Scour Critical — Countermeasures Ineffective Good 2013 35,000
DRY CREEK JORDAN BRANCH Arkansas Scour Critical — Countermeasures Ineffective Fair 1967 10,759
LITTLE SUGAR CREEK Arkansas Scour Critical — Countermeasures Ineffective Good 2023 6,800
SMACKOVER CREEK Arkansas Scour Critical — Countermeasures Ineffective Fair 1990 5,679
DILLARD CREEK Arkansas Scour Critical — Countermeasures Ineffective Fair 1970 5,500
STONE DAM CREEK Arkansas Scour Critical — Countermeasures Ineffective Fair 1935 5,200
OATS CREEK Arkansas Scour Critical — Countermeasures Ineffective Good 1984 5,003
OATS CREEK Arkansas Scour Critical — Countermeasures Ineffective Good 1984 5,003
Petit Jean River Arkansas Scour Critical — Countermeasures Ineffective Good 1993 4,100
Stone Dam Creek Arkansas Scour Critical — Countermeasures Ineffective Good 1991 3,700
FALLEN ASH CREEK Arkansas Scour Critical — Countermeasures Ineffective Fair 1929 3,200
ILLINOIS RIVER Arkansas Scour Critical — Countermeasures Ineffective Poor 1963 3,000
Boeuf River Arkansas Scour Critical — Countermeasures Ineffective Poor 1950 2,900
Fountain Creek Arkansas Scour Critical — Countermeasures Ineffective Good 1975 2,800
VILLAGE CREEK Arkansas Scour Critical — Countermeasures Ineffective Fair 1977 2,192
CHAMPAGNOLLE CREEK Arkansas Scour Critical — Countermeasures Ineffective Fair 1952 2,000
Mill Cr Lake Dardanelle Arkansas Scour Critical — Countermeasures Ineffective Good 1983 1,975
KINGS RIVER Arkansas Scour Critical — Countermeasures Ineffective Fair 1959 1,600
Muddy Bayou Relief Arkansas Scour Critical — Countermeasures Ineffective Fair 1961 1,400
Cache River Arkansas Scour Critical — Countermeasures Ineffective Poor 1948 920
Pepper Creek Arkansas Scour Critical — Countermeasures Ineffective Good 2024 908
DITCH NO 31 Arkansas Scour Critical — Countermeasures Ineffective Fair 1960 803
S. White Oak Creek Arkansas Scour Critical — Countermeasures Ineffective Fair 1963 740
creek Arkansas Scour Critical — Countermeasures Ineffective Good 2022 703
Languille River Arkansas Scour Critical — Countermeasures Ineffective Fair 1978 640
St. Francis River Arkansas Scour Critical — Countermeasures Ineffective Fair 1964 620
NORTH DITCH Arkansas Scour Critical — Countermeasures Ineffective Fair 1963 610
Mays Branch Arkansas Scour Critical — Countermeasures Ineffective Fair 2000 560
Side drain Arkansas Scour Critical — Countermeasures Ineffective Fair 1974 540
Side drain Arkansas Scour Critical — Countermeasures Ineffective Fair 1974 540
SO FORK LITTLE RED RIVER Arkansas Scour Critical — Countermeasures Ineffective Fair 1955 480
Mtn. Fork River Polk Co. Arkansas Scour Critical — Countermeasures Ineffective Good 1979 430
LITTLE MISSOURI RIVER Arkansas Scour Critical — Countermeasures Ineffective Fair 1979 390
Prairie Creek Seb. Co. Arkansas Scour Critical — Countermeasures Ineffective Fair 1976 259
Rose Creek Arkansas Scour Critical — Countermeasures Ineffective Fair 1984 252
Alex Branch-Wash. Co. Arkansas Scour Critical — Countermeasures Ineffective Poor 1965 250
E. LAFFERTY CREEK Arkansas Scour Critical — Countermeasures Ineffective Good 2024 216
Poteau River Arkansas Scour Critical — Countermeasures Ineffective Fair 1976 173
Palarm Creek Arkansas Scour Critical — Countermeasures Ineffective Fair 2003 170
Hacker Creek Arkansas Scour Critical — Countermeasures Ineffective Fair 1979 150
COLEMAN CREEK Arkansas Scour Critical — Countermeasures Ineffective Fair 2006 136
Little Mulberry Arkansas Scour Critical — Countermeasures Ineffective Fair 1965 120
Cottonwood Slough Arkansas Scour Critical — Countermeasures Ineffective Poor 1965 120
Tucker Creek Arkansas Scour Critical — Countermeasures Ineffective Fair 1976 90

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.