Missouri River Flood of 2011: Transportation Impacts
In 2011, repeated rounds of heavy rain, coupled with record plains snow-pack runoff, pushed the Missouri River reservoirs to historic levels. Record level releases flooded downstream properties and engulfed Iowa's roadways from June through early October.
- In 2011, repeated rounds of heavy rain, coupled with record plains snow-pack runoff, pushed the Missouri River reservoirs to historic levels. Record level releases flooded downstream properties and engulfed Iowa's roadways from June through early October.
Flood Safety - Iowa DOTLearn more about flood safety. Trucks in ... Get the latest flood updates by subscribing to the flood safety RSS feed. Follow us via .....
Another "Great Flood": Missouri River - weather.comMay 30, 2011 ... A combination of record mountain snowpack and heavy spring rain is setting up the Missouri River for major flooding.
Harrison County Emergency ManagementAt the height of the Flood of 2011, 16 million acre feet of flood water was stored ... Interstate 29 (west of Missouri Valley) and the ...- From the beginning to the end of the months of flooding, release rates from Gavins Point Dam were the key to flood levels downstream and impacts to the transportation system.
Omaha mayor signs Missouri River flooding emergency declaration ...Jun 1, 2011 ... The U.S. Army Corps of Engineers measured the Missouri River at about 30 feet Wednesday, with flood stage designated as...- On June 1, the first state highway in Iowa was impacted when the I-29/Hamilton Boulevard interchange in Sioux City was closed.
- Some of the early signs of what was to come were seen along Iowa 2 between I-29 in Iowa and Nebraska City, Neb. Water was starting to slowly creep over the highway in early June. One eastbound lane of Iowa 2 was closed June 7.
- In Iowa, the battle against the rising Missouri River stretched from Hamburg in the south near the Missouri state line and Sioux City in the north at the South Dakota state line. In early June, preparations were being made in communities all along the river.
- DOT says parts of I-29 may be floodedJun 5, 2011 ... DOT says parts of I-29 may be flooded ... roads may need to be closed quickly, especially along the corridor from Sioux...
- Sioux City continued to brace for the flooding as more properties were consumed.
- Some areas along the Missouri River are unprotected by levees. Levees that do exist are owned by the U.S. Army Corps of Engineers, private citizens and local level system managers. The months of pressure on the levee systems make them all vulnerable to breach.
- Missouri River flood levee breaches expected | ReutersJun 6, 2011 ... DES MOINES (Reuters) - Iowa National Guard troops have dumped thousand- pound sandbags from a helicopter to delay a full...
- Hamburg, Iowa, prepared for what was forecast to be a full levee breach along an already weakened levee system along the Missouri River.
- As communities like Hamburg braced for the flooding, record water flow continued from the Missouri River dams.
- By June 9, the flood waters along Iowa 2 near Nebraska City were narrowing the open lane of eastbound travel.




