Sioux CityGeolocation: 42.5155, -96.3647

Terracon's Sioux City office offers geotechnical consulting, environmental assessment, and construction materials engineering and testing services. The Sioux City office has worked on projects that include providing material lab testing, drilling and geotechnical engineering for highway construction. They are available for foundation testing, cement engineering and many other services.

3301 Northbrook Dr. #1
Sioux City, IA 51105

Phone: (712) 233 5492
Fax: (712) 233 5493




Rowdy Miller, Office Manager

Key Projects

Interstate 29, Segment 2Geolocation: 42.4921, -96.4247
Terracon was retained by Howard R. Green Company, the prime civil design and engineering firm for the project to perform drilling, laboratory testing, and geotechnical engineering services for the Interstate 29, Segment 2 project. The project consists of preliminary design for reconstruction of about 3.6 miles of Interstate 29 near Sioux City, Iowa. The primary goal of this project is to widen the interstate and reconstruct bridges and interchanges. Approximately 7 dual bridges and 8 ramp or side road bridges will be reconstructed along with 5 interchanges and associated side roads, braided…