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.
| Bridge | State | Scour Status | Condition | Year Built | ADT |
|---|---|---|---|---|---|
| HAMMONTON CREEK | New Jersey | Scour Critical — Unaddressed | Poor | 1931 | 978 |
| ALEXAUKEN CREEK | New Jersey | Scour Critical — Unaddressed | Poor | 1900 | 67 |
| MRKT.MAIN.FRVW ST&SADRIV | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1962 | 162,345 |
| SPROUT BROOK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1933 | 145,772 |
| HACKENSACK RIVR & ROAD | New Jersey | Scour Critical — Countermeasures Installed | Poor | 1931 | 92,076 |
| DEEP RUN BROOK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1940 | 86,421 |
| ECHO LAKE | New Jersey | Scour Critical — Countermeasures Installed | Poor | 1929 | 73,690 |
| ELIZABETH RIVER | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1928 | 73,243 |
| POMPESTON CREEK | New Jersey | Scour Critical — Countermeasures Installed | Poor | 1925 | 72,151 |
| PEQU RIV RR HMBG TPK SB | New Jersey | Scour Critical — Countermeasures Installed | Poor | 1934 | 63,188 |
| NO.BR.RARITAN RIVER | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1934 | 61,761 |
| MILFORD BROOK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1938 | 57,832 |
| PASSAIC RIVER | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1968 | 53,207 |
| POMPTON RIVER | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1935 | 53,150 |
| CR 632 & MUSCONET RIV | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1959 | 52,610 |
| STONY BROOK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1929 | 50,500 |
| SOUTH BR. RARITAN RIVER | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1957 | 49,741 |
| S. BR. RARITAN RIVER | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1958 | 49,741 |
| MILL BROOK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1932 | 48,987 |
| PASSAIC RIVER | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1940 | 47,094 |
| MAHORAS BROOK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1928 | 44,635 |
| WOLF CREEK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1957 | 43,065 |
| RAHWAY RIVER | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1941 | 42,130 |
| RAHWAY RIVER | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1917 | 42,130 |
| OAKEYS BROOK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1934 | 42,085 |
| US 202 & RAMAPO RIVER | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1932 | 41,000 |
| MACOPIN RIVER | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1924 | 40,996 |
| PASSAIC RIVER | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1916 | 37,925 |
| ROCKWAY RIVER | New Jersey | Scour Critical — Countermeasures Installed | Poor | 1900 | 37,033 |
| S BR ROCKAWAY CREEK | New Jersey | Scour Critical — Countermeasures Installed | Good | 1912 | 36,773 |
| ROCKY BROOK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1936 | 35,803 |
| SADDLE RIVER | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1923 | 35,582 |
| MALAPARDIS BROOK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1932 | 35,424 |
| MILLSTONE RIVER | New Jersey | Scour Critical — Countermeasures Installed | Poor | 1915 | 34,650 |
| MILLSTONE RIVER | New Jersey | Scour Critical — Countermeasures Installed | Poor | 1936 | 32,880 |
| LOPATCONG CREEK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1938 | 32,531 |
| HACKENSACK RIVER | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1955 | 32,446 |
| WILLOW MEADOW BROOK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1959 | 31,084 |
| MANALAPAN BROOK | New Jersey | Scour Critical — Countermeasures Installed | Poor | 1927 | 30,910 |
| PASSAIC RIVER | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1951 | 30,700 |
| N BRANCH WRECK POND | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1941 | 27,928 |
| BRANCH OF ROYCES BROOK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1923 | 27,845 |
| BRNT MEADOW (GRN PD) BRK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1960 | 27,614 |
| North Channel Toms River | New Jersey | Scour Critical — Countermeasures Installed | Poor | 1928 | 27,261 |
| North Channel Toms River | New Jersey | Scour Critical — Countermeasures Installed | Poor | 1928 | 26,921 |
| ROBINSON BR RAHWAY RIVER | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1867 | 26,650 |
| AMBROSE BROOK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1938 | 26,546 |
| PIKE RUN | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1927 | 26,391 |
| CUCKLES BROOK | New Jersey | Scour Critical — Countermeasures Installed | Poor | 1962 | 25,789 |
| CROSSWICKS CREEK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1928 | 25,346 |
Scour Critical Rating Codes
| Code 2 — Unaddressed | Bridge is scour critical with no countermeasures installed. The foundation is vulnerable and no protective action has been taken. |
| Code 3 — Countermeasures Installed | Protective measures (riprap, sheet piling, etc.) have been installed to reduce scour risk, but the bridge remains classified as scour critical. |
| Code 6 — Countermeasures Ineffective | Protective 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.