Concrete Rehabilitation, Locks 42 & 43

The concrete lock and approach walls at Couchiching Lock 42 and Swift Rapids Lock 43 will be refaced over the next few years. We anticipate that this work will begin in the non-navigation season of 2017. Residents may notice more trucking activity as debris is hauled away and concrete is poured over the winter months. The noise of generators may be heard over the winter months as work spaces under a temporary enclosure are heated to allow the curing of the concrete. 


Hamlet Bridge 57 Replacement | Near Severn Falls, connecting the Townships of Severn and Gravenhurst

The Hamlet Bridge is a combination fixed and swing bridge. The bridges will be replaced will a similar look to respect the historic landscape of the area. The bridges will be raised to reduce immersion of mechanical components during high water events, as well as correct runoff away from the bridge. The road abutments, east pier and bridge operator’s building will be fully replaced, and mechanical and electrical systems will be upgraded.


Swift Rapids Lock Road Bridge Rehabilitation | Near Severn Falls, Township of Gravenhurst

Four bridges on the road to Swift Rapids Lock 43 will undergo repairs.

August 4, 2017 - Info Work: Access Road to Re-Open (PDF, 117 KB)
June 19, 2017 - Swift Rapids, Lock 43 Access Road Closure (PDF, 118 KB)


Big Chute Marine Railway Car Rehabilitation or Replacement | Near Severn Falls, Township of Gravenhurst

Based on assessment and design, the Big Chute Marine Railway Car will be rehabilitated or replaced.


Rehabilitation and/or reconstruction of Port Severn Dams and Bridges | Port Severn

The project scope entails a comprehensive rehabilitation / reconstruction of many of the dams and associated assets within the TSW Northern Sector in the Port Severn Area. The dams include the Port Severn Main Dam, Bayview Dam E, Little Chute Dam G, and Port Severn Blind Dams A, C, and D. Also included within this project are repairs to the Port Severn Fixed Bridge and the Bayview Dam E Bridge.


Rehabilitation and/or reconstruction of Northern Sector Dams

The project scope entails a comprehensive rehabilitation / reconstruction of dams and associated assets within the Trent-Severn Waterway Northern Sector in the Six Mile Lake region. This includes the two Six Mile Lake Dams, Whites Portage Dam, the Pretty Channel Dams, Hungry Bay Dam, Crooked Bay Dam and Little Go Home Bay Dam. Mechanization is being considered for the Whites Portage and Pretty Channel Dams to further enhance water management capabilities.

July 7, 2017 - Info-Work: Geotechnical Investigation at Six Mile Lake Area Dams (PDF, 114 KB)