The folks at Railroad.net report [2] the Grand Junction Bridge, under the BU Bridge, re-opened to train traffic on Friday.
The bridge, the only connection between railroad tracks north and south of Boston within 128, was was shut by inspectors [3] in November. This forced Amtrak, MBCR and CSX to re-route freight trains and trains carrying cars needing repairs on a 108-mile journey through Worcester County.