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Construction on Phase 1 of the Memorial Highway project is underway as crews continue work throughout the corridor between 32nd Avenue SE and 46th Avenue SE.
Current work includes underground utilities, including sanitary sewer installation at multiple locations.
Here’s what crews have been working on and what’s happening next:
- Sanitary sewer work is ongoing near 32nd Avenue and 40th Avenue, with crews continuing to move east toward 46th Avenue
- Additional utility work and adjustments are taking place along the corridor
- Preparations are underway for upcoming water main work on the west end, with work expected to begin next week
- Milling, grading and approach work continue to improve driving conditions and prepare for future phases
Work is progressing steadily as crews continue to build momentum early in the construction season.
A traffic change is planned at the 46th Avenue SE intersection as crews prepare to complete concrete work in that area.
Due to forecasted weather conditions, the timing of this change is still being evaluated. Once conditions allow, the planned closure will impact traffic exiting from the I-94/Bismarck Expressway ramp, with southbound access to 46th Avenue SE temporarily restricted.
Additional details, including timing and traffic impacts, will be shared once plans are finalized.
Weather can impact construction schedules, including planned traffic changes. Snow or freezing conditions may delay certain work activities to ensure safe driving conditions and quality construction.
Work will continue working where possible, and updates will be shared as schedules are confirmed.
Later this spring, construction on Phase 2 of the Memorial Highway project is expected to begin on the west end of the corridor. The two-year project will reconstruct the roadway from the intersection of Main Street and Memorial Highway to 32nd Avenue SE.
What is the Mandan Memorial Highway Reconstruction Project?
The North Dakota Department of Transportation (NDDOT), in coordination with Federal Highway Administration (FHWA) and the City of Mandan, is reconstructing the Memorial Highway Corridor between 46th St SE to E Main St. After construction, this section will be urbanized with upgraded drainage, city utilities, and roadway surfacing as well as comply with current intersection safety design standards.
Why do the improvements need to be made?
Memorial Highway is aging and not up to current design standards. Regular maintenance can no longer perform long-term repairs or ensure safe, smooth travel due to the age of the infrastructure.
When will construction take place?
- Phase 1 is expected to be completed by July 11, 2026. Phase 2 will take place in 2026 and 2027 with a completion date of November 2027.
- Both phases include replacing and installing underground utilities, constructing a new concrete roadway section with curb and gutter, medians at major intersections, and adding bicycle and pedestrian facilities. Roadway lighting and traffic signals will be upgraded as well, and roadway drainage will be improved with the installation of a storm sewer system. Additionally, sanitary lift stations will also be constructed along the intersections of 40th Avenue SE in Phase 1 and near 32nd Avenue SE and 3rd Street SE intersection in Phase 2.
What will the construction zone be like?
While the goal is to minimize impacts during construction, businesses and residents can expect the following:
- Equipment, materials, and construction crews along the corridor, within existing right-of-way and easements.
- Temporary lane and cross (Memorial Highway will remain open) during certain phases of the project.
- Temporary gravel driveway access for businesses during closures.
Certain property impacts are expected during construction and affected property owners will be notified in advance. The public can check for construction updates from project stakeholders, the project website, and Mandan Messenger, a monthly newsletter included in Mandan city utility statements.
How will you keep businesses and landowners informed throughout the project?
The project will utilize several methods of communication. Regular construction updates will also be included in Mandan Messenger. There may be additional one-on-one meetings with business and landowners to address individual concerns as construction progresses. Project information and updates are also available at dot.nd.gov/memorialhwy and cityofmandan.com/mhp. A project phone line (701-667-1033) has been established that includes project contacts: Reede Construction, Northern Improvement Company, NDDOT Bismarck District, and City of Mandan.
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April 9 | Windsor Storage Auction
April 24-25 | Mandan Meltdown
June 4 | Barrel Racing Jackpot
June 7 | Family Rodeo
June 12-13 | Buggies-N-Blues
June 13 | Truck and Tractor Pull
June 26-28 | McQuades Softball Tournament
July 1-4 | Mandan Rodeo Days
July 4 | Independence Day Parade
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Access may look different during construction, but all businesses along Memorial Highway remain open.
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