NAVAREA IV
General / Bridges / Inspection
Location: 42-21.69N 071-04.55W Bridge Name: Longfellow Bridge MASSACHUSETTS - BOSTON HARBOR – CHARLES RIVER –LONGFELLOW/RIVER STREET BRIDGE– Bridge Inspection Mariners are advised that NDT Corporation with be conducting an inspection of the River Street Bridge/Longfellow Bridge over the Charles River Boston Massachusetts. Inspection work will commence on October 26, 2026, and continue through October 31, 2026. Massachusetts Work hours are 7:30 a.m. to 4:30 p.m. Monday through Friday. On scene equipment will consist of a pontoon work platform and a tending vessel. The equipment will be staged in portions of the navigable channel during the inspection and will be able to move on demand with notification to the on-scene safety vessel. All equipment will be secured outside of the navigable channel during non-working hours. For more information Mariner may contact Mr. Bill Horne NDT Corporation at (978) 563-1327 On scene support vessels may be contacted via VHF-FM Ch 13/16. Mariners are advised to plan accordingly and use caution when transiting the area.
Valid 2026-10-25 to 2026-10-31.
USCG Northeast District Local Notice to Mariners 43/2026