Jacques-Cartier Bridge Reopens in Both Directions After Fire
- The Jacques Cartier Bridge in Montreal was closed to all traffic on Wednesday, January 21, 2026, from approximately 9:00 AM EST until 4:30 PM EST due to a...
- The closure stemmed from the revelation of a cracked support beam on the bridge's main span.
- According to a statement released by Infrastructure Canada, the crack was approximately 15 centimeters in length and located on the western side of the bridge.
Jacques Cartier Bridge Closure: January 2026 Incident
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The Jacques Cartier Bridge in Montreal was closed to all traffic on Wednesday, January 21, 2026, from approximately 9:00 AM EST until 4:30 PM EST due to a structural issue identified during a routine inspection. The closure caused significant traffic disruptions throughout the city.
Cause of the Closure
The closure stemmed from the revelation of a cracked support beam on the bridge’s main span. During a scheduled inspection, engineers detected a fissure that required immediate assessment and repair to ensure public safety. The crack did not represent an immediate collapse risk, but officials deemed a full closure necessary to facilitate a thorough investigation and prevent potential hazards.
According to a statement released by Infrastructure Canada, the crack was approximately 15 centimeters in length and located on the western side of the bridge. Infrastructure Canada – jacques Cartier Bridge Closure (Jan 21, 2026)
Traffic Impact and Detours
The bridge closure substantially impacted traffic flow in Montreal, especially during the morning and afternoon rush hours. Motorists were advised to seek choice routes, including the Champlain Bridge and the Pierre Laporte Bridge. Public transportation agencies, including the Société de transport de Montréal (STM), increased service frequency on bus routes and the metro system to accommodate increased demand.
The STM reported a 22% increase in metro ridership during the peak of the closure. STM Press Release – Response to Jacques Cartier Bridge Closure
Repair Work and Reopening
Repair crews worked throughout the day to stabilize the affected support beam and implement a temporary fix. The repair involved reinforcing the cracked area with steel plates and epoxy resin. A more permanent solution, involving the replacement of the damaged beam, is scheduled to take place during a planned overnight closure in February 2026.
The bridge reopened to all traffic at 4:30 PM EST after engineers confirmed the temporary repairs were structurally sound. Ministère des Transports du Québec – jacques Cartier Bridge Reopens
Future Inspections and Preventative Measures
Following the incident, the Ministère des Transports du Québec (MTQ) announced an accelerated schedule for complete inspections of all major bridges in the province. The MTQ will also be investing $15 million in advanced monitoring technology to detect potential structural issues before they escalate. This includes the implementation of a fiber optic sensor network on the Jacques Cartier Bridge to provide real-time data on stress and strain.
The MTQ’s investment plan was detailed in a press conference on January 22, 2026. MTQ Announces Bridge inspection Investment