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MIT Steel Bridge team places 5th in national competition

Young CEE team continues its climb in the national rankings
Team members assemble the bridge at the national Student Steel Bridge Competition.
Team members assemble the bridge at the national Student Steel Bridge Competition.
Photo: Stephen Rudolph

Continuing its upward climb in the rankings, the MIT Steel Bridge team placed fifth in the national Student Steel Bridge Competition held at Texas A&M University May 20 and 21. The MIT team, sponsored by the Department of Civil and Environmental Engineering (CEE), was the top-ranked private university among the 48 finalists. This is the fifth year the MIT team has participated in the 20-year-old competition.

Every year contestant teams must create a 21-foot-long bridge for a specific hypothetical situation. This year’s scenario required a bridge to carry traffic over a scenic river in a state park. It had to be light and stiff without being visually intrusive, provide clearance for boats, and passageways for utility lines. Restrictions to protect wetlands during construction required the builders to sometimes work in inconvenient locations and limit the size of nearby supply depots.

Bridges are graded according to construction speed, lightness, economy (construction time and number of builders), efficiency (how well it resists deflection) and display (appearance and poster), resulting in a single overall score. As in real life, teams must constantly make tradeoffs such as deciding on a heavier design, which might result in lower scores in some categories but higher scores in others.

Co-captain Emily Moberg, a CEE senior and veteran of previous competitions, credited the team’s fine standing to a “relatively strong performance in all categories and lack of abysmal performance” in any single area. In several categories, she described MIT as “neck to neck with the schools around us. A few points better or worse would have shifted the order.”

Read the rest of the news story on the CEE website.

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