This is a $582,657.06 firm fixed-price definitive contract awarded by the U.S. Department of Agriculture's (USDA) Region 10 - Alaska Region to Central Environmental Inc., a minority-owned, Alaska Native Corporation, and self-certified small disadvantaged business. The contract is for the construction of five snow machine bridges and the replacement of a pedestrian bridge over Winner Creek Gorge along the Iditarod National Historic Trail. This project is part of the USDA's efforts to recover and maintain the Iditarod National Historic Trail. The contract does not have a set-aside designation and is scheduled for completion by September 30, 2011.