NAME: MichiganBridgesDoc.txt TYPE: Census SIZE: 4396 observations, 15 variables DESCRIPTIVE ABSTRACT: Data on the structural integrity of bridges in the state of Michigan. SOURCES: The Michigan Department of Transportation, Highway Bridges Report VARIABLE DESCRIPTIONS: County - Route - Structure - Structure Number NHS - National Highway System Site - Location - Built - Year Built Reconstructed - Year Reconstructed Inspection -Last Inspection Date Deck - Deck Rating Super - Super-structure Rating Sub - Sub-structure Rating Culvert - Culvert Rating Deficient - Structurally Deficient Obsolete - SPECIAL NOTES: