The Gold Star Bridge between Groton and New London was closed in both directions following a number of crashes.
The snow has come to an end, but slick roads have been left behind for the overnight hours.
A freeze warning went into effect for the immediate shoreline from 8 p.m. through Tuesday morning.
Snow fell across the state on Monday morning, and then again during the afternoon hours into the evening commute, making a mess on the roads.
At one point, the DOT said there were 619 out of 634 trucks out trying to clear the roads. Some flights were delayed and/or canceled because of the weather.
A number of schools canceled after school and evening activities, including colleges and universities. See the list here.
Chief Meteorologist Bruce DePrest said as the wintry precipitation ended, temperatures were dropping, making for potentially icy surfaces.
"The sky will clear and temperatures will drop to between 15 and 25 degrees across much of the state. Any surface that has not been treated will be very slippery throughout the night," DePrest said.
To check road conditions in your area, click here.
Tuesday will bring sunny skies, but it will be breezy and cold with highs only in the mid to upper 30s.
Wind chill temperatures will be in the teens during the morning hours, and in the 20s during the afternoon.
To read the complete technical discussion, click here.
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