The gathering will be held on Tuesday, August 18, 2026, beginning at approximately 10:00 AM and ending at approximately 10:30 AM, at the Larry Richard farm, located at 4813 173rd Ave SE, Horace, ND 58074.

The route from I-29: Take exit 54 to head west on County Highway 16 (124th Ave S) for 0.3 miles; turn left on 173rd Ave SE, the location will be the first building on right-hand side of road.

The number of Metro Flood Diversion Authority board members present may create a quorum, so this notice is being sent in accordance with the North Dakota Open Meetings Law.

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Justin Fisher, who holds a Ph.D. in environmental and conservation sciences from NDSU, oversees land management and compliance for the Metro Flood Diversion Authority. From wetlands to native grasses, he makes sure the land is cared for in a way that supports long term ecological health. Hear what he has to say.

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As one of many working out of public view, Martin Nicholson has now spent roughly a third of his lengthy career working on the FM Area Diversion. The Metro Flood Diversion Authority’s deputy executive director explains what makes the diversion unique among the projects he’s worked on across the globe.

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The number of Metro Flood Diversion Authority board members present at the ceremony may create a quorum, so notice is being sent in accordance with the North Dakota Open Meetings Law.

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This milestone has been several years in the making. Work began on the Maple River Aqueduct in 2023 and on the Sheyenne River Aqueduct in 2024.

Their purpose is to carry two rivers over the stormwater diversion channel portion of the FM Area Diversion project. They are unique structures; they are the northernmost aqueducts in the world and two of only a few in North America. Each aqueduct features a heated low flow channel to ensure fish passage through the cold winter months.

The aqueducts were built away from each river to allow for construction on dry land. An engineered channel was then constructed on each end of the aqueduct for the river to flow from its natural riverbed, across the aqueduct flume and back into its natural riverbed. 

Inside each aqueduct flume and engineered channels, fish will encounter roughness elements such as boulders to mimic natural elements of their river habitat. The boulders create resting spots for the fish as they swim through the aqueduct.

As part of the reroute of the river, fish and mussels were salvaged from the abandoned section of each river and relocated to the natural riverbed.

With both rivers routed through the aqueduct structures, channel excavation through the abandoned section of the previous riverbed has continued at the Maple River and will be started soon at the Sheyenne River.

Each aqueduct also has a vertical lift gate that will be used to control the flow of water during flood operation.

For more information about the FM Area Diversion project, visit www.fmdiversion.gov.

Aqueduct Facts and Figures

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Temporary lane closures in each direction will be necessary as this work is completed. Flaggers will be in place to coordinate traffic through the lane closures. Intermittent traffic stoppage and construction is expected to last through Friday, July 31, 2026, when the new crossing will fully open to traffic.

The County Road 14 crossing is the 18^th crossing to open across the channel.

Located southwest of Horace, construction on the CR 14 bridge began in January 2025. The bridge features a pedestrian/bike lane on the south side of the bridge. With the opening of this bridge, the removal of the existing section of CR 14 will begin in the near future.   

For more information about the FM Area Diversion project, visit www.fmdiversion.gov.

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Motorists should expect temporary lane closures near the newly constructed crossings over the stormwater diversion channel on County Road 20, County Road 22 and 38^th Street. The closures are needed for asphalt patch repairs. 

Closures will begin on Thursday, July 23, 2026, and last through Friday, July 24, 2026.

Flaggers will be in place to coordinate traffic through the lane closures. Motorists should expect delays and intermittent stops in the work areas. Please allow extra time for travel and remain alert to changing conditions when driving through these work areas.

For more information about the FM Area Diversion project and road closures, visit www.fmdiversion.gov.

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Beginning Thursday, July 16, the inside passing lane of the northbound roadway will be closed with traffic operating in a single lane within the outside northbound driving lane and shoulder. The inside passing lane of the southbound roadway will also be closed with traffic operating in a single lane within the outside southbound driving lane and shoulder. The lane closures are expected to last until late September.

While the lanes are closed, the clear travel width will be restricted to 12 feet across the adjacent structures. Speeds through the work zone will be reduced to 55 mph.

The work is being done by the Metro Flood Diversion Authority in cooperation with the North Dakota Department of Transportation.

About the Metro Flood Diversion Authority

The MFDA is a permanent North Dakota political subdivision that is cooperatively implementing the Fargo-Moorhead Area Diversion comprehensive project with the U.S. Army Corps of Engineers. The MFDA works in partnership with the Red River Valley Alliance in a public-private partnership as well as the City of Fargo, City of Moorhead, Cass County, Clay County and the Cass County Joint Water Resource District.

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One lane closure will be on the County Road 16/17 crossing, located south of Horace, North Dakota. This closing will begin on Wednesday and last through Thursday, July 16, 2026.

The second lane closure will be on the County Road 4/31 crossing, located east of Argusville, North Dakota. This closing will begin on Wednesday and last through Friday, July 17, 2026.

Flaggers will be in place to coordinate traffic through the lane closures. Motorists should expect delays and intermittent stops in the work areas. Please allow extra time for travel and remain alert to changing conditions when driving through these work areas.

For more information about the FM Area Diversion project and road closures, visit www.fmdiversion.gov.

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