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.

Clear
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 — 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.