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COST 1406 - Performance Indicators for Roadway Bridges, Technical report of the Working group 1: Performance indicators

In the past few years, significant worldwide research has been done regarding condition assessment of roadway bridges, namely through the use of non- destructive tests, monitoring systems and visual inspection techniques. Obtained values, which provide information regarding the assessed bridge state condition, are then compared with previously established goals. As a result, there are currently several methodologies to evaluate bridge condition. A similar problem was addressed with roadway pavements in the past. Although this was a worldwide problematic, in Europe it was solved through COST Action 354 (performance indicators for pavements). More recently, the concept of performance indicator was introduced, simplifying communication between consultants, operators and owners. However, large deviations continue to exist on how these indicators are obtained and, therefore, specific actions should be undertaken in order to standardize this procedure. It is verified that Quality Control (QC) plans should always address the assessed performance indicators and pre- specified goals. However, these latter values are even more difficult to obtain as they are highly subjective.

COST 1406, performance indicators, Working group 1, existing bridges

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