At least 35 schools in Norfolk and Suffolk shut due to icy roads, frozen pipes and broken heating.
The Environment Agency says it is due to tide locking, when high tides restrict river drainage to the sea.
A trial will mean teachers stop teaching on Friday lunchtime - and it could be rolled out further.
Greater Anglia says following an inspection of the bridge rail disruption has now ended.
Steven Ashling says the work of volunteers has brought the signalling box back to life.
Residents and businesses are told flooding is likely, due to high tidal water moving upstream.
Maintenance work to a chain ferry means longer diversions for car and foot passengers.
A chain ferry that links communities divided by a river is to close for essential maintenance.
The three athletes bring back 18 medals, including 10 golds, from the competition in Berlin.