Scour Critical Bridges in New Jersey

362 bridges in New Jersey 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 362 bridges in New Jersey have been identified as vulnerable to scour damage.

Clear
Bridge State Scour Status Condition Year Built ADT
PAULINS KILL New Jersey Scour Critical — Countermeasures Installed Fair 1860 167
JACKSON BROOK New Jersey Scour Critical — Countermeasures Installed Fair 1953 161
S BRANCH RARITAN RIVER New Jersey Scour Critical — Countermeasures Installed Fair 1901 148
WICKECHEOKE CREEK New Jersey Scour Critical — Countermeasures Installed Fair 1899 126
MUSCONETCONG RIVER New Jersey Scour Critical — Countermeasures Installed Fair 1900 113
N.BRANCH RARITAN RIVER New Jersey Scour Critical — Countermeasures Installed Good 1927 104
MUSCONETCONG RIVER New Jersey Scour Critical — Countermeasures Installed Fair 1915 97
TOWN BROOK New Jersey Scour Critical — Countermeasures Installed Fair 2011 55
UNION CREEK New Jersey Scour Critical — Countermeasures Installed Fair 1936 53
STOP THE JADE RUN New Jersey Scour Critical — Countermeasures Installed Fair 1926 51
PAULINS KILL New Jersey Scour Critical — Countermeasures Installed Fair 1910 31
DIVISION GUT New Jersey Scour Critical — Countermeasures Installed Fair 1930 21

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.