Developers Education Realty Trust Co. (EdR) of Memphis, Tenn., and River Caddis Development of East Lansing, Mich., have started construction 320,000-square-foot mixed-use development at 2700 Lincoln Way in Ames, near the Iowa State University campus. EdR is a developer of student housing. The project will include 157 apartments and 7,500 square feet of ground level retail space. Minneapolis-based Opus Design Build LLC. is the design-builder and Opus AE Group LLC is the architect and structural engineer of record. The $51.9 million development should be completed in summer 2018, according to a release.