One of the entrances at Montreal's Place-des-Arts Metro station is being closed to repair cracks in the concrete slab and beams.

In a news release Thursday, Montreal's public transit authority said the cracks were found near the Jeanne-Mance Street entrance, and an investigation revealed significant deterioration of the concrete, probably caused by de-icing salt and water over the years.

The closure is for an indefinite time period, the Société de transport de Montréal (STM) says.

Ahmed El-Geneidy…