Civil engineering expert witnesses on this list are practicing engineering professionals who are qualified to provide consultation and litigation services to attorneys and legal professionals. These consultants have extensive knowledge of the design, construction, and maintenance of infrastructure, including bridges, highways, and airports. They may advise on flood control, drainage, grading, sewers, water supply, earthwork, power supply, and related topics. A civil engineering expert witness may draft reports and provide testimony in cases of infrastructure design errors and defects, construction delay, construction safety, damage and liability, and similar issues.