1810 340th Street, Spencer, IA 51301 info@gravesconst.com 712-262-2403 FOURTH GENERATION HEAVY HIGHWAY GENERAL CONTRACTOR Graves Construction Co., Inc. is a fourth generation heavy highway general contractor located in northwest Iowa. For over 100 years we have been successfully performing work in the states of Iowa, South Dakota, Minnesota and Nebraska. CONTACT US ABOUT US Founded in 1920 Learn More WHAT WE DO Bridges, Box Culverts & Demolition Learn More GALLERY Completed Projects Learn More CAREERS Join Our Team Learn More 1810 340th Street P.O. Box 1417 Spencer, IA 51301 712-262-2403 712-262-2405 info@gravesconst.com © Copyright 2020 Graves Construction Co, Inc. All Rights Reserved. | Site Designed By: Emagine