Photo set: Columbia River Crossing gingerbread competition

Portland State University students put the finishing touches on the winning design in the holiday gingerbread contest. This year's challenge was to build an alternative design of the Columbia River Crossing project.

Nothing signals the holiday season like a contentious multi-billion-dollar public works project. With that in mind, Portland State University's Students in Transportation Engineering and Planning sought to design and build an edible version of the Columbia River Crossing project. Teams of students built the bridge portion of the project using only edible elements, including graham crackers, licorice and gummy creatures.

The event, held Dec. 8, was the second annual competition for STEP. Last year, teams competed to build a gingerbread transit station.

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