Functionally obsolete bridges

Functionally obsolete bridges
19901991199219931994199519961997199819992000200120022003200420052006200720082009201020112012201320142015
Functionally obsolete bridges18%17%14%14%14%14%14%13%14%14%16%15%15%15%15%15%15%15%15%14%14%14%14%14%14%14%
Functionally obsolete bridges

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