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Bridge Condition
Tennessee bridges with condition, age, and ownership type. Back to Transparent Tennessee Open Maps -
Pavement Roughness
International Roughness Index (IRI) data indicates overall roughness of pavements. Lower numbers indicate smoother pavements. Back to Transparent Tennessee Open Maps -
Air Quality Attainment
Land areas of Tennessee by county designated by EPA as attaining the (NAAQS) National Ambient Air Quality Standards. Back to Transparent Tennessee Open Maps