photo courtesy of C.C. Myers Inc. The seven-span bridge features a 354-ft arch. Related Links: 2013 Best of the Best Projects Winners Elegant Arch Bridge Spans Seismically Active Canyon Constructed 160 ft above a rugged creek bed in an earthquake-prone forest near Quincy, Calif., this seven-span box-girder bridge is supported by an open- spandrel arch. An innovative mass-concrete cooling system pumped cold water from the creek below and circulated it through the 354-ft arch's pour, saving $200,000 compared to other methods. Due to lack of local infrastructure, crews were challenged by a five-hour detour to haul supplies from one side
The market is generally healthy and steadily growing, and margins are up for large specialty contractors. Further, advances in design tools and owner demand for collaboration are giving subcontractors a seat at the table early on in projects.