The Fore River Bridge was scheduled to open at noon and 8 a.m. Tuesday, with delays expected on Route 3A, according to the state Department of Transportation.

The Haverhill commuter rail line saw delays while building volume slowed down traffic on the Southeast Expressway around 7:30 a.m. during the Monday morning commute.

On the Haverhill line, the T reported that train 206 is 35 minutes behind schedule and is stopped at the Lawrence station due to a mechanical problem. Train 204 was also experiencing a mechanical problem and was 30 minutes behind schedule, according to the T.