Location

Interstate Engineering, Inc now has an office located in Spearfish, South Dakota.  Spearfish is located at the northern limits of the Black Hills.  The Spearfish Office of Interstate Engineering, Inc. is located 7 blocks west of Interstate 90 at Exit 12 or 1/2 block east of the intersection of Main Street and Jackson Boulevard at 123 East Jackson Boulevard, Suite 1, Spearfish, SD 57783

The town is situated at the mouth of Spearfish Canyon and skirts the Black Hills National Forest. Nature has been gracious to this spectacular city as sparkling Spearfish Creek meanders through town and Crow Peak, Spearfish Peak, and Lookout Mountain form the crown jewels of the "Queen City." The Black Hills National Forest provides endless outdoor recreational opportunities for visitors of all ages. Scenic Spearfish Canyon will take your breath away as each curve in the road reveals another dramatic view.