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 |
|---|---|---|---|---|---|
| FRIENDSHIP CREEK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1900 | 3,494 |
| SALEM CREEK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1919 | 3,406 |
| PETERS BROOK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1915 | 3,356 |
| BEAR BROOK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1965 | 3,342 |
| ALLOWAYS CREEK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1952 | 3,326 |
| W BR MIDDLE BROOK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1964 | 3,299 |
| PASSAIC RIVER | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1929 | 3,268 |
| EAST BR PEQUEST RIVER | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1939 | 3,105 |
| PEQUEST RIVER BRANCH | New Jersey | Scour Critical — Countermeasures Installed | Good | 1933 | 3,081 |
| LUBBERS RUN | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1986 | 2,968 |
| INDIAN CABIN CREEK | New Jersey | Scour Critical — Countermeasures Installed | Poor | 1919 | 2,813 |
| DUKES BROOK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1925 | 2,810 |
| ALLOWAYS CREEK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1930 | 2,787 |
| ASSISCONG CREEK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1923 | 2,771 |
| WATNONG BROOK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1944 | 2,761 |
| SPRING GARDEN BROOK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1936 | 2,760 |
| ROBINSONS BRANCH RAH RIV | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1930 | 2,706 |
| ROYCE BROOK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1978 | 2,617 |
| N BR RARITAN RIVER | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1934 | 2,598 |
| SADDLE RIVER (E. BRANCH) | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1946 | 2,545 |
| HO-HO-KUS BROOK | New Jersey | Scour Critical — Countermeasures Installed | Poor | 1960 | 2,520 |
| S BRANCH RARITAN RIVER | New Jersey | Scour Critical — Countermeasures Installed | Good | 1880 | 2,496 |
| MUSCONETCONG RIVER | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1930 | 2,432 |
| DEEP RUN | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1941 | 2,429 |
| BLACK RIVER | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1925 | 2,416 |
| CORSONS INLET | New Jersey | Scour Critical — Countermeasures Installed | Poor | 1948 | 2,410 |
| COPPER CREEK | New Jersey | Scour Critical — Countermeasures Installed | Poor | 1914 | 2,380 |
| Crooked Brook | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1924 | 2,378 |
| SPRUCE RUN | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1983 | 2,324 |
| BOBBYS RUN | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1905 | 2,321 |
| ALLOWAYS CREEK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1941 | 2,104 |
| PETERS BROOK | New Jersey | Scour Critical — Countermeasures Installed | Poor | 1905 | 1,983 |
| MUSCONETCONG RIVER | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1900 | 1,904 |
| N.BRANCH RARITAN RIVER | New Jersey | Scour Critical — Countermeasures Installed | Poor | 1952 | 1,869 |
| TRIBUTARY OF BACK BROOK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1834 | 1,850 |
| SOUTH BRANCH RARITAN RIV | New Jersey | Scour Critical — Countermeasures Installed | Good | 1896 | 1,821 |
| PAULINS KILL | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1933 | 1,798 |
| BRANCH OF PAULINS KILL | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1966 | 1,796 |
| CRANE CREEK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1900 | 1,758 |
| SO.BRANCH RARITAN RIVER | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1900 | 1,668 |
| PIKE RUN | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1937 | 1,622 |
| GOFFLE BROOK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1931 | 1,593 |
| DRY BROOK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1960 | 1,572 |
| BLAIR CREEK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1900 | 1,540 |
| ABSECON CREEK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1979 | 1,518 |
| OVERPECK CREEK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1906 | 1,441 |
| MUSQUAPSINK BROOK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1939 | 1,413 |
| Rockaway River | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1948 | 1,408 |
| GREAT CHANNEL | New Jersey | Scour Critical — Countermeasures Installed | Poor | 1939 | 1,335 |
| CRAFTS CREEK | New Jersey | Scour Critical — Countermeasures Installed | Fair | 1978 | 1,332 |
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.