The cost of repairing the ancient bridge and surrounding pathways at Tarr Steps will run into thousands of pounds.
Somerset County Council and Exmoor National Park say the landmark on Exmoor has been affected by landslips, fallen trees and erosion from recent flooding.
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It's looking like a damp night tonight and then tomorrow morning won't be good either. Through the week the picture stays varied.
It's a mild and wet night coming up with a wet morning ahead...and the weather looks like staying like that for the next few days.
A Gloucester couple were left shocked after a banana plant that's never looked like flowering in its 20 years suddenly produced fruit.