Four bridges will be closed to traffic.
Although the canal system is closed to shipping through the winter, crews will be doing routine maintenance on several bridges this week which means they will be off limits to motorists.
The Queenston St. bridge in St. Catharines and the Clarence St. bridge in Port Colborne are closed tomorrow from 9 am to 4 pm.
The Allanburg bridge is closed to traffic Wednesday from 9 am to 4 pm
The Glendale Avenue bridge in St. Catharines is closed to vehicles Thursday also from 9 am to 4pm.

Kristen French Centre Battling Online Luring
Niagara's Crime Severity Rate Drops
Man Dies in Niagara Falls Motorcycle Crash
2nd Niagara Falls Murder Suspect Arrested
Suspect Wanted After Cables Cut
Candidates Splurge on Election Signs
Homeless, City Finances Top Candidate's Concerns
Police Investigation Resolved