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 |
|---|---|---|---|---|---|
| JORDAN CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 10 |
| BIG SLOUGH | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 10 |
| ARKEKETA CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 10 |
| CLEAR CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 10 |
| STREAM | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 10 |
| SHELL CREEK | Nebraska | Scour Critical — Unaddressed | Fair | 1935 | 10 |
| STREAM | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 10 |
| ROCK CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 10 |
| SPRING CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 10 |
| KANE CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 10 |
| OAK CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 10 |
| WILLOW CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 10 |
| SPRING CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1955 | 10 |
| Mirage Flats Canal | Nebraska | Scour Critical — Unaddressed | Fair | 1945 | 5 |
| AINSWORTH IRRIG CANAL | Nebraska | Scour Critical — Unaddressed | Fair | 1963 | 5 |
| STREAM | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 5 |
| JARVIS CREEK TRIBUTARY | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 5 |
| COURTLAND CANAL | Nebraska | Scour Critical — Unaddressed | Fair | 1947 | 5 |
| THAWES CREEK | Nebraska | Scour Critical — Unaddressed | Fair | 1947 | 5 |
| PLUM CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 5 |
| BIG CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1900 | 5 |
| Cambridge Canal | Nebraska | Scour Critical — Unaddressed | Poor | 1963 | 3 |
| PAWNEE CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 2 |
| EASLY CREEK | Nebraska | Scour Critical — Unaddressed | Poor | 1935 | 1 |
| Cambridge Canal | Nebraska | Scour Critical — Countermeasures Ineffective | Fair | 1970 | 20 |
| Red Willow Canal | Nebraska | Scour Critical — Countermeasures Ineffective | Fair | 1970 | 5 |
| Fullerton Canal | Nebraska | Scour Critical — Countermeasures Ineffective | Good | 1970 | 5 |
| Geranium Canal | Nebraska | Scour Critical — Countermeasures Ineffective | Good | 1970 | 5 |
| Franklin Canal | Nebraska | Scour Critical — Countermeasures Ineffective | Fair | 1970 | 5 |
| Franklin Canal | Nebraska | Scour Critical — Countermeasures Ineffective | Fair | 1970 | 5 |
| STREAM | Nebraska | Scour Critical — Countermeasures Installed | Good | 1991 | 8,100 |
| PLATTE OVERFLOW | Nebraska | Scour Critical — Countermeasures Installed | Fair | 1955 | 7,955 |
| MOORS CREEK | Nebraska | Scour Critical — Countermeasures Installed | Fair | 1931 | 4,815 |
| PAWNEE CREEK | Nebraska | Scour Critical — Countermeasures Installed | Fair | 1935 | 3,940 |
| WAHOO CREEK N FK TRIB | Nebraska | Scour Critical — Countermeasures Installed | Fair | 1924 | 3,240 |
| BRESLAU CREEK | Nebraska | Scour Critical — Countermeasures Installed | Poor | 1934 | 2,570 |
| MISSOURI RIVER | Nebraska | Scour Critical — Countermeasures Installed | Poor | 1938 | 2,450 |
| STREAM | Nebraska | Scour Critical — Countermeasures Installed | Fair | 1940 | 2,040 |
| BOTTLE CREEK | Nebraska | Scour Critical — Countermeasures Installed | Poor | 1954 | 1,880 |
| AOWA CREEK | Nebraska | Scour Critical — Countermeasures Installed | Fair | 1946 | 1,840 |
| DRY CREEK | Nebraska | Scour Critical — Countermeasures Installed | Fair | 1958 | 1,500 |
| ELM CREEK | Nebraska | Scour Critical — Countermeasures Installed | Fair | 1979 | 1,465 |
| DRY CREEK | Nebraska | Scour Critical — Countermeasures Installed | Fair | 1939 | 1,395 |
| MISSOURI RIVER | Nebraska | Scour Critical — Countermeasures Installed | Poor | 1996 | 830 |
| STREAM | Nebraska | Scour Critical — Countermeasures Installed | Fair | 1975 | 730 |
| STREAM | Nebraska | Scour Critical — Countermeasures Installed | Fair | 1974 | 730 |
| STREAM | Nebraska | Scour Critical — Countermeasures Installed | Fair | 1976 | 730 |
| STREAM | Nebraska | Scour Critical — Countermeasures Installed | Fair | 1935 | 600 |
| CLEAR CREEK | Nebraska | Scour Critical — Countermeasures Installed | Fair | 1950 | 495 |
| S BR PEBBLE CREEK | Nebraska | Scour Critical — Countermeasures Installed | Fair | 1990 | 460 |
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.