Practices for Bridge Approach Systems (2021) / Chapter Skim
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Pages 96-111
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From page 96... ...
96 State DOT Survey Questionnaire A P P E N D I X B
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State DOT Survey Questionnaire 97 Survey Overview Page description: Dear AASHTO Committee on Bridges and Structures Member: The Transportation Research Board (TRB) is preparing a synthesis on Design and Construction Practices for Durability, Ride, and Water Management of Bridge Approach Systems.
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98 Practices for Bridge Approach Systems Page description: This page contains 10 questions on design and construction practices used by your agency for bridge approach systems. Never Rarely Previously, But Not Currently Occasionally Often Always Integral abutments Semi-integral abutments Stub abutments Mechanically-stabilized abutments Full-height, closed abutments Full-height, spill-through abutments Enter another option Enter another option Enter another option Comments 1.
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State DOT Survey Questionnaire 99 Included in: Thickness (inches) Length (feet)
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100 Practices for Bridge Approach Systems Comments Comments Comments 5. If you use an approach slab, is a sleeper slab typically used to support it in your currently preferred design?
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State DOT Survey Questionnaire 101 Comments Comments 8. What material unique from the backfill is required to be placed behind the abutment backwall?
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102 Practices for Bridge Approach Systems Comments Comments Comments 11. Is water runoff from the bridge deck and approach slab/pavement captured and redirected using surface drains such as gutters, flumes, and paved ditches?
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State DOT Survey Questionnaire 103 Location 1 Location 2 Either Location 1 or 2 (not specified) Both Locations 1 and 2 simultaneously No expansion joint is used Not applicable Integral abutments Semi-integral abutments Stub abutments Mechanically-stabilized abutments Full-height, closed abutments Full-height, spill-through abutments Enter another option Enter another option Enter another option Comments Comments 14.
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104 Practices for Bridge Approach Systems Compression seals: Strip seals: Sealants used with backer rods: Other seals: Comments Comments 16. How often does your agency typically replace the seal of the joint adjacent to the approach slab/pavement?
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State DOT Survey Questionnaire 105 Comments Comments 18. Does your agency conduct periodic inspection of the following types of distress/deterioration?
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106 Practices for Bridge Approach Systems Metric Main roadway: Approach slab/pavement: Bridge deck: Joints: Comments Comments 20. What metrics are used to assess ride quality of the main roadway, the approach slab/pavement, and the bridge deck, and across the joints between these sections?
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From page 107... ...
State DOT Survey Questionnaire 107 Comments Part 4: Performance Issues and Mitigation Practices Page description: This page contains 4 questions related to performance issues and mitigation practices. Comments 22.
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From page 108... ...
108 Practices for Bridge Approach Systems Common Issues Rarely Occasionally Often Poor ride quality (bump) between approach slab/pavement and abutment or bridge deck Poor ride quality across approach slab/pavement Poor ride quality between approach slab/pavement and main roadway Failed sealant in expansion joints Failed sealant in other joints between approach slab/pavement and traffic barriers, wing walls, etc.
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From page 109... ...
State DOT Survey Questionnaire 109 Mitigation Practices Poor ride quality (bump) between approach slab/pavement and abutment or bridge deck Poor ride quality across approach slab/pavement Poor ride quality between approach slab/pavement and main pavement Failed sealant in expansion joint Failed sealant in other joints between approach slab/pavement and traffic barrier, wing walls, etc.
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From page 110... ...
110 Practices for Bridge Approach Systems Comments Review and Follow-Up Comments If you wish to share any additional comments, experiences, or details, please contact Dr. Mohamed ElBatanouny at melbatanouny@wje.com.
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From page 111... ...
State DOT Survey Questionnaire 111 Thank You! Thank you for taking this survey.
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