The Des Moines International Airport plans to add a five-level parking garage to the north side of the existing four-level parking garage.

The $49 million project will add 1,122 parking spaces, a new entrance plaza and roadways, and landscaping. It is expected to be completed in late 2024.

IMEG is providing mechanical, electrical, plumbing, and fire protection engineering services as a sub-consultant to Bolton & Menk, Inc.