Peiffer Bridge in La Macaza — replacement and flood adaptation

Summary

Replacement of Peiffer Bridge over Ruisseau Chaud is scheduled to begin November 16, 2026, according to two outlets citing the MTMD. The replacement bridge is to be higher to better accommodate floods.

Documentary updates

On November 6, L’info du Nord and CIME reported a full closure during construction starting November 16. Main construction is expected to run through January, with finishing work in the spring. The reopening date remains to be confirmed.

Report → Verify → Follow up → Act

1. Report. The regional county municipality records the notice of work to replace the steel-and-timber bridge.
2. Verify. The MTMD publishes a notice of intent to expropriate for the project in 2025.
3. Follow up. Two local outlets report the announced start, closure and higher replacement bridge.
4. Act. Verify when the closure takes effect and when the bridge returns to service.

Documented timeline

1. May 31, 2024. According to resolution MRC-CC 15668-06-24, the MTMD sends its notice of work to the Antoine-Labelle RCM. Bridge P-03571 is to be replaced by structure P-19571.
2. June 7, 2025. The Gazette officielle publishes the notice of intent to expropriate for the project.
3. November 6, 2026. Local media report that the MTMD plans to start November 16, with a full closure and a detour via Chemin du Lac-Chaud.

Facts supported by the sources

The official notice identifies the bridge and site. According to local outlets citing the ministry, the new bridge will be higher to better accommodate floods. The detour may add up to about 19 km depending on the route. As of November 10, the closure is scheduled.

What to document

This file tracks work designed with flooding in mind. From a safe location, observers can document visible high-water marks, bank and approach erosion, and changes to the detour. No field observations were made for this file.

Open questions

• The exact elevation of the new bridge and the hydraulic design criteria.
• The actual reopening date and final cost.

Next milestone

Verify the closure and detour when construction starts. Record the reopening and the finishing work separately.

Sources

1. Antoine-Labelle RCM — resolution MRC-CC 15668-06-24. Notice of work received May 31, 2024.
2. Gazette officielle du Québec — notice 2025-11. Published June 7, 2025.
3. L’info du Nord — announced construction schedule. Published and updated November 6, 2026.
4. CIME — announced closure and detour. Published November 6, 2026.