Designing bridges, solving environmental problems and improving traffic flow are just some of the creative challenges engineers at the North Carolina Department of Transportation tackle each day.  The profession can be a great fit for girls with a flair for design and construction, a message NCDOT engineers have been taking to middle- and high school-age students this week with a series of workshops across the state to encourage more girls to consider the profession. According to the National Science Foundation, only 11 percent of practicing engineers are women. Engineers Week, which takes place Feb. 19-25 this year, celebrates the positive contributions engineers make to society.