Crossword Genius

Lifetime of bridge? (4)

Ross

I believe the answer is:

span

This clue is a double definition.

'lifetime' is the first definition.
(I've seen this in another clue)

'bridge?' is the second definition.
(synonyms)

'of' acts as a link.

(Other definitions for span that I've seen before include "Extent of 20" , "Distance or interval between two points" , "Duration, length" , "Distance between two points in time or place" , "The total spread" .)

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