Tempe Town Lake Pedestrian Bridge, Tempe, Ariz. Photo by Daniel Miller The tensioned fabric and blue lighting compliment the lake and give the bridge added character. Photo by Tom Paiva The four 175,000-sq-ft arch spans were assembled using two cranes. Related Links: Best Projects 2012 Main Page Best Transportation Project & Best Safety: PHX Sky Train - Stage 1 Fixed Facilities Connecting Tempe Town Lake's north and south banks, this elegant four-span arch pedestrian bridge was integrated with the existing piers and abutment of a dam at the reservoir. The bridge superstructure consists of two 34-ft-high steel pipe crossing arches.

As Arizona State University's most sophisticated research facility, this 298,000-sq-ft, eight-story building brings together the Ira A.

The town of Hawthorne, Nev., was built in a grid above the foundations of an old mining town, with homes and businesses

Decommissioning this coal-fired powerplant in Nevada was in some ways more challenging than its original construction.

This $7.5-million early childhood learning and health care facility serves up to 175 children from low-income families.

This unique 110,000-sq-ft tenant improvement of a Class-A building shell involved substantial demolition.

Built in 1936, this historic 35,000-sq-ft building serves a nearly 100-year-old campus for deaf students.

Serving Arizona State University's main campus, this armature of steel beams supports more than 7,600 solar modules that produce 2 MW of energy.

Think you've built on some tight sites? Try being squeezed into a narrow space surrounded on three sides by other buildings along the Las Vegas Strip at one of the busiest pedestrian and traffic intersections in the country.

A huge plot of rural land in eastern New Mexico could soon become a major power hub for the U.S. if a start-up merchant transmission company is successful in developing a nearly $2-billion project to interconnect the three main power grids in the U.S. The project, known as Tres Amigas, is also expected to boost construction of new transmission lines and wind and solar farms in N.M. and the Southwest. Image Courtesy of Tres Amigas Construction on the rural N.M. site would include transmission lines, voltage converters and support buildings. Image Courtesy of Tres Amigas Map of U.S. Power Grids Related Links: New Transmission Lines