Scour Critical Bridges in Nebraska
962 bridges in Nebraska 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 962 bridges in Nebraska have been identified as vulnerable to scour damage.
| Bridge | State | Scour Status | Condition | Year Built | ADT |
|---|---|---|---|---|---|
| STREAM | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 35 |
| STREAM | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 35 |
| STREAM | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 35 |
| E BR N FK ELKHORN RIVER | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 35 |
| PAWNEE CREEK | Nebraska | Scour Critical — Unaddressed | Good | 1922 | 30 |
| ELK CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1995 | 30 |
| FARMERS/MERCHANTS CANAL | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 30 |
| CAMBRIDGE-OXFORD-ORLEANS | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 30 |
| W FK BIG BLUE RIVER | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 30 |
| STREAM | Nebraska | Scour Critical — Unaddressed | Poor | 1963 | 30 |
| RED WILLOW CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1962 | 30 |
| FARWELL SOUTH CANAL | Nebraska | Scour Critical — Unaddressed | Poor | 1963 | 30 |
| SILVER CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1971 | 30 |
| SILVER CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 30 |
| DOG CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 30 |
| LITTLE NEMAHA RIV SO FK | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 30 |
| NORTH TABLE CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 30 |
| STREAM | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 30 |
| CLEAR CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1920 | 30 |
| N BR BIG BLUE RIVER | Nebraska | Scour Critical — Unaddressed | Poor | 1950 | 30 |
| WILLOW CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1915 | 30 |
| N BR BIG BLUE RIVER | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 25 |
| SILVER CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 25 |
| ELKHORN RIVER OVERFLOW | Nebraska | Scour Critical — Unaddressed | Poor | 1993 | 25 |
| AINSWORTH IRRIG CANAL | Nebraska | Scour Critical — Unaddressed | Fair | 1963 | 25 |
| COW CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1975 | 25 |
| SOUTH OMAHA CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1910 | 25 |
| CAMBRIDGE-OXFORD-ORLEANS | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 25 |
| N FK BIG NEMAHA RIVER | Nebraska | Scour Critical — Unaddressed | Poor | 1950 | 25 |
| STREAM | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 25 |
| PRAIRIE CREEK | Nebraska | Scour Critical — Unaddressed | Fair | 1950 | 25 |
| N BR BIG BLUE RIVER | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 25 |
| SCOTCH BRANCH | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 25 |
| WOLF CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 25 |
| RUSSELL CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 25 |
| STREAM | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 25 |
| WILSON CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1911 | 25 |
| SANDY CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 25 |
| TURKEY CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 25 |
| TURKEY CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 25 |
| SOUTH BLACKBIRD CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 25 |
| CLEAR CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 25 |
| PLUM CREEK | Nebraska | Scour Critical — Unaddressed | Good | 1975 | 20 |
| STREAM | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 20 |
| STREAM | Nebraska | Scour Critical — Unaddressed | Fair | 1989 | 20 |
| NORTH LOGAN CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 20 |
| PAYNE CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 20 |
| MUDDY CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 20 |
| STREAM | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 20 |
| WILSON CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1910 | 20 |
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.