Check out our Detroit District 2022 Year in Review to see some of our accomplishments from last year.
The Soo Locks in Sault Ste. Marie, Michigan will close to marine traffic beginning 11:59 p.m. January 15, or until commercial traffic ceases, through 12:01 a.m. March 25 to perform critical maintenance. Federal regulation establishes the operating season based on the feasibility of vessels operating during typical Great Lakes ice conditions.
The New Lock at the Soo Artistic Rendering depicts how the Soo Locks will look once the New Lock at the Soo is complete in Sault Ste. Marie, Mich.
The MacArthur Lock in Sault Ste. Marie, Michigan prepares to close for critical maintenance. The 800-foot-long MacArthur Lock, built in 1943, is 79 years old; the maintenance period is critical to keeping the lock in operation during the shipping season.

Regulatory Public Notices

LRE-1992-410083-S22

1/26/2023
Proposed Installation of a Dock, Boat Ramp, Boat Well, and Mechanical Dredge within a marina in Lake Charlevoix at Boyne City, Michigan.

LRE-1988-110332-S23

1/26/2023
Proposed Seawall, Spring Piles, and Discharge of Fill in Clinton River at Harrison Township, Michigan

LRE-2018-00137-56-S22

1/24/2023
Proposed Installation of a Seasonal Dock Complex at Traverse City, Michigan.

Other Public Notices

Preliminary Finding of No Significant Impact and Environmental Assessment for Cured In Place Pipe (CIPP) Sewer Lining, City of Superior, Douglas County, Wisconsin

1/26/2023
The City of Superior, Douglas County, Wisconsin proposes infrastructure refurbishment by lining 4,976 feet of 15-inch diameter reinforced concrete pipe (RCP) constructed in 4-foot length using the cured in place pipe (CIPP) lining, sealing 1,244 pipe joints, and lining 13 manholes that provide work access to the sewer line to minimize groundwater infiltration and reduce treatment requirements at the Waste Water Treatment Plant. The project is being completed pursuant to Section 154 of Division B of Appendix D, Consolidated Appropriations Act, 2001, Public Law 106-554, as amended. See Public Notice & Environmental Assessment (PN & EA) linked below for details. COMMENT PERIOD: Begins: January 26, 2023; Ends: February 25, 2023. Please provide all comments by email to: LRE¬Section154@usace.army.mil refer to file CS2022-001. PN & EA: https://usace.contentdm.oclc.org/utils/getfile/collection/p16021coll7/id/23128

Keweenaw Waterway Lower Entry East Breakwater Reconstruction, Torch Lake Township, Houghton County, Michigan

12/13/2022
SUMMARY: The U.S. Army Corps of Engineers, Detroit District, proposes reconstruction of the Lower Entry East Breakwater of the Keweenaw Waterway using the method of encapsulating the existing structure with steel sheet pile (SSP) side walls and concrete cap, including partial demolition of the existing structure and placement of toe stone along the SSP for scour protection. See Public Notice linked below for details, including an Environmental Assessment and an evaluation of the effects of placing fill in the waters of the United States, pursuant to Section 404 of the Clean Water Act.

Charlevoix Pine River Crossing Public Notice

6/16/2022
The U.S. Army Corps of Engineers (USACE), Detroit District, is soliciting comments from the public for a project proposed by the City of Charlevoix, MI to horizontally directionally drill (HDD) an 8-inch natural gas line under the USACE navigation channel project located on the Pine River in Charlevoix, MI. The proposed project is located at the US-31 bridge river crossing. The lines will have at least 81 feet of clearance below the riverbed and the boring pits are proposed to be a minimum of 700 feet from the river edge. The proposed project is needed to improve the gas line infrastructure in the area.

Latest News Releases

Soo Locks closing for seasonal repair, maintenance
1/10/2023
The Soo Locks in Sault Ste. Marie, Michigan will close to marine traffic beginning 11:59 p.m. January 15, or until commercial traffic ceases, through 12:01 a.m. March 25 to perform critical...
New Lock at the Soo reauthorized in WRDA 2022 at $3.219 billion
12/27/2022
U.S. Army Corps of Engineers, Detroit District New Lock at the Soo Project in Sault Ste. Marie, Michigan is reauthorized in the Water Resources Development Act (WRDA) 2022 on Dec 23, 2022. The project...
Lake Superior Maritime Visitor Center transitions to holiday, winter schedule
12/20/2022
DULUTH, Minn., – The U.S. Army Corps of Engineers is transitioning the operating hours of the Lake Superior Maritime Visitor Center in Canal Park to its holiday and winter schedule.The Detroit...

News Stories

New Lock at the Soo: Unlocking the Great Lakes
10/20/2022
SAULT STE. MARIE, Mich., – The U.S. Army Corps of Engineers, Detroit District works on unlocking the Great Lakes by providing a much-needed resiliency at the Soo Locks with the construction of the New...
ERDC, Buffalo District release dredged material guidance manual for Great Lakes region
9/2/2022
Researchers from the U.S. Army Engineer Research and Development Center (ERDC) Environmental Laboratory and the U.S. Army Corps of Engineers (USACE) Great Lakes Districts — Buffalo, Detroit and...
Commitment to high-quality USACE bridge inspections
3/4/2022
Structural cracks, buckled or bent steel, visual fretting corrosion – these are the kinds of things at the forefront of a bridge inspector’s mind. Oh, and don’t forget to quantify the severity and...

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