2012 Condition Ratings for State and Local Bridges

More recent 2013 data is available here
Source: Analysis of data reported to Federal Highway Administration

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Structural monitoring using highly accurate sensing devices can enable objective, precise and timely performance data on the condition of our nation's bridges.

All but nine states have decreased the number of "structurally deficient" bridges since the fatal Minneapolis bridge collapse in 2007. But experts warn that if Congress doesn't find the money to continue or increase current funding levels, the number of troubled bridges could start climbing again.