VERMONT'S STATE INFRASTRUCTURE MEETS THE NEEDS OF VERMONTERS, THE ECONOMY, AND THE ENVIRONMENT Download Data

% of structurally-deficient bridges, as defined by the Agency of Transportation

3.10%2018

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Annual inventory and inspections by VTrans of bridges with spans > 20 ft on state and town highways, and short structures with spans between 6 and 20 ft on the state highway system.

There has been a change in the definition of Structurally Deficient (SD) structures.  This term was previously defined in https://www.fhwa.dot.gov/bridge/0650dsup.cfm as having a condition rating of 4 or less for Item 58 (Deck), Item 59 (Superstructure), Item 60 (Substructure), or Item 62 (Culvert), OR having an appraisal rating of 2 or less for Item 67 (Structural Condition) or Item 71 (Waterway Adequacy) Beginning with the 2018 data archive, this term will be defined in accordance with the Pavement and Bridge Condition Performance Measures final rule, published in January of 2017, as a classification given to a bridge which has any component [Item 58, 59, 60, or 62] in Poor or worse condition [code of 4 or less].

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