Proposed AASHTO Guides for Bridge Preservation Actions (2020) / Chapter Skim
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10 A search of state DOT documents was made to determine current practice for preservation of highway bridges, and to collect specifications and material requirements for preservation actions. The following are among the findings of the literature search: • Preservation is a broad term.
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Current Practice in Bridge Preservation 11 State DOT Documents Documents were collected from public internet websites of the U.S. DOT, state DOTs, and TRB.
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12 Proposed AASHTO Guides for Bridge Preservation Actions Policies and Definitions Descriptions of programs for bridge preservation and programs using the term bridge preservation were collected. Criteria for selection of actions were also collected.
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Current Practice in Bridge Preservation 13 Preservation -- Actions Examples of actions in preservation are from the state DOTs of Delaware, Illinois, Indiana, Maine, Minnesota, Nevada, South Dakota, Utah, Washington, and West Virginia. Actions are included in Table 9.
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14 Proposed AASHTO Guides for Bridge Preservation Actions Response Maintenance -- Actions Examples of actions in response maintenance are from the state DOTs of Georgia, New York, Pennsylvania, and Utah. Actions are included in Table 12.
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Current Practice in Bridge Preservation 15 Scheduled Maintenance -- Actions Examples of actions in scheduled maintenance are from the state DOTs of Georgia, Michigan, and New York. Actions are included in Table 14.
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16 Proposed AASHTO Guides for Bridge Preservation Actions Inspector Recommendations Information on inspector recommendations and preservation actions are included in the summaries for Arizona and Utah. In Arizona, inspectors make recommendations related to structural integrity but not maintenance.
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Current Practice in Bridge Preservation 17 improvement or replacement, interim work may be limited to essential repairs. Information on preservation actions in relation to improvement or replacement is included in state summaries for Delaware, Georgia, Illinois, Pennsylvania, Virginia, Washington, and Wyoming.
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18 Proposed AASHTO Guides for Bridge Preservation Actions Specifications for deck treatments are cited in summaries for the state DOTs of Alabama, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Maine, Michigan, Minnesota, Missouri, Montana, Nebraska, New Jersey, New Mexico, New York, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Washington, West Virginia, Wisconsin, and Wyoming. Performance Measures Performance measures for bridges can be used to quantify the accomplishments of programs in bridge preservation.
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