Bridge Inspection Practices
This synthesis reports bridge inspection practices in the United States and selected foreign countries. The synthesis is a collection of information on formal inspection practices of departments of transportation (DOTs). These are primarily visual inspections and they provide data to bridge registries and databases. For U.S. inspection practices, this synthesis reports on inspection personnel, inspection types, and inspection quality control and quality assurance. Staff titles and functions in inspection programs are reported, together with qualifications and training of personnel, formation of inspection teams, and assignment of teams to bridges. Inspection types are described in terms of their scope, methods, and intervals. Quality control and quality assurance programs are reviewed in terms of the procedures employed, staff involved, quality measurements obtained, and the use of quality findings in DOT inspection programs. Foreign practices are presented in the same organization of inspection personnel, types, and quality programs. Comparisons of U.S. and foreign inspection practices are included. Information was obtained from a questionnaire sent to U.S. state transportation departments, similar questionnaires modified individually for transportation agencies in selected foreign countries, and formal documents used by transportation departments and agencies. These documents primarily included bridge inspection manuals, inspection training manuals, and technical memoranda, but also included blank forms for inspections, DOTs job descriptions for inspectors, and descriptions of inspection training courses. Overall, this synthesis includes information from forty U.S. state transportation departments and from roads agencies in eight foreign nations (Denmark, France, Finland, Germany, Norway, South Africa, Sweden, and the United Kingdom). The synthesis also includes, in an appendix, information from a few provincial and municipal transport agencies in Canada.
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CHAPTER TWO TRANSPORTATION AGENCIES
CHAPTER THREE INSPECTION PROGRAM PERSONNEL
CHAPTER FOUR INSPECTION TYPES AND INTERVALS
CHAPTER FIVE QUALITY PROGRAMS
12 months 24 months Alaska Alberta Arizona Arkansas Bridge Inspection Program Bridge Load Rater Bridge Management Brunswick Brunswick Ontario Cable-stayed bridge CANADIAN certiﬁed Certified Bridge complex bridges Component culverts damage database defects Delaware Department of Transportation dive inspections diver DOT Inspection Edmonton Engineering degree equipment ﬁeld Finland Finnra Fracture critical Fracture-critical inspection hands-on inspection Highways Agency Idaho identiﬁed identified in report in-depth inspection inspec inspection consultants inspection intervals Inspection Program Manager inspection reports inspection team leaders Inspection Type INSPECTIONS DOT Iowa Kentucky load rating Locations identified Maryland Missouri Movable bridge National Bridge Inventory Nevada NHI 2-week course North Dakota Ohio Ontario Oregon Ottawa Pennsylvania performed QA review QA/QC QC/QA qualiﬁcations Quality Assurance Quality Control Quebec regional repair require Rhode Island road agencies routine inspection Scour segmental bridge special inspections speciﬁc structures TABLE Texas tion Title U.S. federal regulations underwater inspections Utah Vermont Washington West Virginia Yes Yes Yes