Load Rating of Bridges and Culverts with Missing or Incomplete As-Built Information (2022) / Chapter Skim
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Pages 67-67
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67 Bridge: as defined in 23 CFR 650.305: "A structure including supports erected over a depression or an obstruction, such as water, highway, or railway, and having a track or passageway for carrying traffic or other moving loads, and having an opening measured along the center of the roadway of more than 20 feet between undercopings of abutments or spring lines of arches, or extreme ends of openings for multiple boxes; it may also include multiple pipes, where the clear distance between openings is less than half of the smaller contiguous opening." Nondestructive test: a method for estimating a geometric or physical property (or the condition of a material, component, or structure) that does not impact the serviceability of the tested object.
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