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Scour Critical Bridges in Massachusetts

166 bridges in Massachusetts 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 166 bridges in Massachusetts have been identified as vulnerable to scour damage.

Clear
Bridge State Scour Status Condition Year Built ADT
WATER ARNOLDS BROOK Massachusetts Scour Critical — Countermeasures Ineffective Good 2015 125
WATER BROOK Massachusetts Scour Critical — Countermeasures Ineffective Good 2000 100
WATER WILDER BROOK Massachusetts Scour Critical — Countermeasures Ineffective Good 2006 100
WATER DEER BROOK Massachusetts Scour Critical — Countermeasures Ineffective Good 2000 100
WATER WETLAND Massachusetts Scour Critical — Countermeasures Ineffective Good 2006 100
WATER MILL RIVER Massachusetts Scour Critical — Countermeasures Ineffective Fair 1991 100
WATER ANGELICA BROOK Massachusetts Scour Critical — Countermeasures Ineffective Good 1990 50
WATER WEKEPEKE BROOK Massachusetts Scour Critical — Countermeasures Ineffective Good 2004 50
WATER DRAINAGE Massachusetts Scour Critical — Countermeasures Ineffective Good 2004 —
WATER NORTHERN CANAL Massachusetts Scour Critical — Countermeasures Ineffective Poor 1848 —
WATER MERRIMACK RIVER Massachusetts Scour Critical — Countermeasures Installed Poor 1959 119,818
WATER MERRIMACK RIVER Massachusetts Scour Critical — Countermeasures Installed Poor 1962 79,000
WATER MERRIMACK RIVER Massachusetts Scour Critical — Countermeasures Installed Poor 1964 60,056
WATER MERRIMACK RIVER Massachusetts Scour Critical — Countermeasures Installed Fair 1954 56,200
WATER FISH BROOK Massachusetts Scour Critical — Countermeasures Installed Fair 1950 43,600
WATER FISH BROOK Massachusetts Scour Critical — Countermeasures Installed Fair 1976 43,300
WATER MERRIMACK RIVER Massachusetts Scour Critical — Countermeasures Installed Poor 1925 33,900
WATER NEPONSET RIVER Massachusetts Scour Critical — Countermeasures Installed Fair 1765 32,845
COMB ACUS RIV/LOC ST/RR Massachusetts Scour Critical — Countermeasures Installed Fair 1901 32,200
WATER CHARLES RIVER Massachusetts Scour Critical — Countermeasures Installed Fair 1888 31,500
WATER MARTINS BROOK Massachusetts Scour Critical — Countermeasures Installed Fair 1903 31,080
WATER CONNECTICUT RIVER Massachusetts Scour Critical — Countermeasures Installed Fair 1924 27,500
WATER WESTFIELD RIVER Massachusetts Scour Critical — Countermeasures Installed Fair 1938 27,300
WATER MERRIMACK RIVER Massachusetts Scour Critical — Countermeasures Installed Fair 1883 26,000
COMB MERIMAC RIV/ACCESS Massachusetts Scour Critical — Countermeasures Installed Fair 1918 25,000
WATER NEPONSET RIVER Massachusetts Scour Critical — Countermeasures Installed Fair 1849 23,300
WATER HOUSATONIC RIVER Massachusetts Scour Critical — Countermeasures Installed Fair 1900 23,286
WATER CHARLES RIVER Massachusetts Scour Critical — Countermeasures Installed Good 1860 22,500
COMB AMTRAK & CONN RIV Massachusetts Scour Critical — Countermeasures Installed Fair 1922 21,706
WATER CHARLES RIVER Massachusetts Scour Critical — Countermeasures Installed Fair 1967 21,500
WATER MERRIMACK RIVER Massachusetts Scour Critical — Countermeasures Installed Fair 1937 18,230
WATER NEPONSET RIVER Massachusetts Scour Critical — Countermeasures Installed Fair 1875 16,785
WATER MILLERS RIVER Massachusetts Scour Critical — Countermeasures Installed Fair 1927 16,680
WATER CHARLES RIVER Massachusetts Scour Critical — Countermeasures Installed Fair 1877 16,601
WATER MILL RIVER Massachusetts Scour Critical — Countermeasures Installed Fair 1947 16,422
WATER SALISBURY BROOK Massachusetts Scour Critical — Countermeasures Installed Good 1889 16,300
WATER EAST RIVER Massachusetts Scour Critical — Countermeasures Installed Fair 1914 15,000
WATER ASSABET RIVER Massachusetts Scour Critical — Countermeasures Installed Fair 1886 14,400
WATER BEAVER BROOK Massachusetts Scour Critical — Countermeasures Installed Fair 1921 13,913
WATER MYSTIC RIVER Massachusetts Scour Critical — Countermeasures Installed Poor 1926 13,500
WATER IPSWICH RIVER Massachusetts Scour Critical — Countermeasures Installed Fair 1850 13,394
WATER SANDERSDALE CANAL Massachusetts Scour Critical — Countermeasures Installed Fair 1900 13,189
WATER SPICKET RIVER Massachusetts Scour Critical — Countermeasures Installed Fair 1850 13,010
WATER PALMER RIVER Massachusetts Scour Critical — Countermeasures Installed Poor 1850 13,010
WATER SUDBURY RIVER Massachusetts Scour Critical — Countermeasures Installed Fair 1967 13,000
WATER SPICKET RIVER Massachusetts Scour Critical — Countermeasures Installed Poor 1900 12,808
WATER FRENCH RIVER Massachusetts Scour Critical — Countermeasures Installed Fair 1868 12,630
WATER MILL RIVER Massachusetts Scour Critical — Countermeasures Installed Fair 1924 12,200
WATER BLACKSTONE RIVER Massachusetts Scour Critical — Countermeasures Installed Fair 1924 12,200
WATER LEESVILLE PD OTLT Massachusetts Scour Critical — Countermeasures Installed Fair 1935 11,567

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