Travel
Southeast South Dakota Flood Information
Safety on the roadways for the traveling public is our number one priority. Please use available resources (like SD511) when planning your travel.
Road Condition Information
Click the SD511 link below to view an interactive map of road conditions: SD511.ORG →
South Dakota residents can also dial 511 for current road conditions.
Download the app:
SDDOT Press Releases and Social Media Updates
Saturday, June 22, 2024 – Social Media:
Interstate 29 is fully reopened both northbound and southbound from Sioux Falls to the South Dakota/Iowa state line. Some water currently remains on the outside shoulders but water levels are continuing to drop throughout the day.
No travel advisories remain in place on all state highway sections in southeast South Dakota that are experiencing flooding. Motorists are reminded to respect all road closures and not drive around barricades. Motorists should not use secondary highways to avoid road closures or highway obstructions. Driving into floodwater areas can lead to potentially dangerous or life-threatening situations.
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Saturday, June 22, 2024 – Social Media:
One lane of southbound Interstate 29 has reopened to traffic from Sioux Falls to the South Dakota/Iowa state line. Some water remains on the surface and traffic is being guided through the area with flaggers. Drivers will need to reduce speed and use caution as they proceed through the impacted area. Northbound I-29 remains impassable at this time at exit 50 (Centerville) and exit 62 (Canton).
No travel advisories remain in place on all state highway sections in southeast South Dakota that are experiencing flooding. Motorists are reminded to respect all road closures and not drive around barricades. Motorists should not use secondary highways to avoid road closures or highway obstructions. Driving into floodwater areas can lead to potentially dangerous or life-threatening situations.
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Saturday, June 22, 2024 – Social Media:
INTERSTATE 29 ALTERNATE ROUTE UPDATE (Saturday, June 22, 2024 – Update #1, 7 a.m.)
The Interstate 29 alternate route from Sioux Falls to Sioux City, IA is no longer viable as several sections of the Iowa portion of the detour are now impassable due to high water. I-29 remains blocked at exit 50 (Centerville) and exit 62 (Canton).
No travel continues to be advised on all state highway sections in southeast South Dakota that are experiencing flooding due to heavy rain in the area that continued overnight. A majority of routes in the southeast portion of the state are currently blocked due to standing or flowing water across the roadways.
It’s recommended that motorists use 511 traveler information systems for South Dakota, Minnesota, and Iowa to plan routes around these impassable roadways. The 511 resources for each state can be found at:
Motorists are reminded to respect all road closures and not drive around barricades. Motorists should not use secondary highways to avoid road closures or highway obstructions. Driving into floodwater areas can lead to potentially dangerous or life-threatening situations. Due to the expected length of this weather event, all motorists are asked to plan their travel accordingly and not travel in southeast South Dakota if possible.
In South Dakota, motorists can also download the SD511 mobile app to view all current road closures, no travel advisories, and highway obstructions. Conditions continue to change rapidly so it’s best to actively monitor SD511 traveler information systems. South Dakota Department of Transportation crews will continue to keep SD511 as up-to-date as possible during this weather event.
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Friday, June 21, 2024 – Press Release:
Flooding Continues to Impact Southeast South Dakota Causing Additional Road Closures (Friday, June 21, 2024 – Update #2)
No travel advisories continue to be placed on all state highway sections in southeast South Dakota that are experiencing flooding due to heavy rain in the area. As conditions continue to deteriorate a majority of routes in the southeastern portion of the state have become impassable and travel impossible due to standing or flowing water across the roadways.
Interstate 29 remains blocked at exit 50 (Centerville) and exit 62 (Canton). An alternate route has been created in conjunction with the Iowa Department of Transportation and the Minnesota Department of Transportation to allow motorists to safely travel from Sioux Falls to Sioux City, IA and Sioux Falls to the S.D. Highway 48 junction north of Junction City. The alternate route diverts motorists in Sioux Falls to eastbound Interstate 90 to Worthington, MN, turning south on U.S. Highway 59, turning southwest on State Route 60 through Sheldon, IA, and continuing south on U.S. Highway 75 from Le Mars, IA to access Sioux City, IA. Motorists can also use Iowa State Highway 3 heading west out of Le Mars to access S.D. Highway 48 and I-29. Read the full release here.
Contact Information
SDDOT Communications Office: dot.communications@state.sd.us