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Tennessee’s Asset Management Approach for Pavements PowerPoint PPT Presentation


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Tennessee’s Asset Management Approach for Pavements. Donald Reid DESIGN DIVISION As revised 03-08-01. GASB 34 Requirements. Inventory of Pavement Assets Condition Assessments Management Strategies. Inventory of Pavement Assets. Interstate System in Tennessee 1073 miles

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Tennessee’s Asset Management Approach for Pavements

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Tennessee s asset management approach for pavements

Tennessee’s

Asset Management

Approach for Pavements

Donald Reid

DESIGN DIVISION

As revised 03-08-01


Gasb 34 requirements

GASB 34 Requirements

  • Inventory of Pavement Assets

  • Condition Assessments

  • Management Strategies


Inventory of pavement assets

Inventory of Pavement Assets

Interstate System in Tennessee

  • 1073 miles

    State Route System (non interstate routes)

  • Region 1:2437 miles154 miles divided

  • Region 2:2376 miles 83 miles divided

  • Region 3:3185 miles118 miles divided

  • Region 4:2687 miles106 miles divided

    Continuous Inventory Updates with TRIMS

    Transportation Roadway Information Management System


Condition assessments

Condition Assessments

Data Collection:

  • Infrastructure Management Services (IMS)

  • Data Collected:

    • Roughness, Rutting, Distress

  • Frequency:

    • Collect Condition Data on Interstate Every Year

    • Collect Condition Data on NHS Every Year

    • Collect Condition Data on STP 1 Region Per Year

  • Pavement Condition Rating:

    • PSI-Pavement Roughness Index

    • PDI-Pavement Distress Index

    • PQI-Pavement Quality Index


  • Tennessee s asset management approach for pavements

    Management Strategies


    Management strategies

    Management Strategies

    Goals and Objectives

    • Interstate System

      • 90 % of all interstate highways will be in good or very good condition

      • No more than 10 % of all interstate highways will be in a poor or very poor condition

      • The current goal is an 8 year resurfacing cycle

    • State Route System

      • 85 % of all state routes will be in good or very good condition

      • No more than 15 % of all state routes will be in a poor or very poor condition

      • The current goal is a 12 year resurfacing cycle


    Tennessee s asset management approach for pavements

    PavementQuality Report


    What s next

    What’s Next?

    • Performance prediction models

    • Structural design optimization

    • Pavement decision tree validation

    • Future pavement needs prediction models


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