Watch above: Workers are set to replace the super beam on the Champlain Bridge over the Victoria Day long weekend.
MONTREAL – Traffic is expected to be horrendous this Victoria Day long weekend.
Commuters are urged to stay away from the Champlain Bridge as three of the six lanes will be closed so workers can replace the super beam with its new support structure.
This comes after dangerous cracks were found along the underbelly of the bridge.
WATCH: Officials not worried about Champlain Bridge
According to Jean-Vincent Lacroix, a spokesperson for the Jacques Cartier and Champlain Bridges Inc, the goal is to transfer weight from the super beam to the new truss.
From 9 p.m. Friday until 5 a.m. Tuesday, one lane will be open going towards the South Shore and two will be open going towards Montreal.
WATCH: Champlain toll fight
Several ramps will also be closed to allow workers to repave sections of the bridge.
Officials are encouraging drivers to use the other bridges or the Lafontaine Tunnel.
Once the modular truss is installed, the bridge’s original six lanes and the reserved bus lane to-and-from the South Shore will be restored.
The yellow line on the STM will also be closed this weekend for repairs.
It is the second-to-last weekend the line is expected to be closed this spring.
WATCH: Yellow metro line closures
The Société de transport de Montréal will have extra shuttle buses to accommodate travelers.
The yellow line will be re-open on Saturdays and Sundays after May 31 and will resume closures in September.
55th avenue in Lachine running under Highway 20 will be closed from 7:30 a.m. Saturday until 5 a.m. Tuesday.
According to Transport Quebec, the closures will allow workers to upgrade and fix old traffic lights.