People using the Mercier bridge will have some detours this weekend.
The access ramp to la Prairie will be completely closed to traffic from 10 p.m. Friday evening until 5 a.m. Monday morning.
Access to the Mercier from Chateauguay is also closed.
Drivers can get to the bridge by taking the ramp from la Prairie, which will be down to one lane.
Motorists coming from Chateauguay should continue to use the detour road that's been set up from Highway 138.
For more details log onto mercierbridge.ca.
