parking structures
 
  
Johnston Station
Johston Station is 2 story  commercial building with underground parking. The building is 98,000 square feet. The main floor is...
      
Liberty Parking Ramp

This 6-level parking structure is located in the midst of Downtown Des Moines at the intersection of two skywalk bridges. Precast double-tees...

   
  
Science Center of Iowa...

The Science Center of Iowa built and moved into a new facility in downtown Des Moines. The large...