The cost of a parking structure can vary widely, depending on where it is built, how big it is and the materials used to make it. Some of them cost more than $100 million US Dollars (USD). This works out to about $40,000 USD per parking space for above-ground structures, and some underground structures come out to about $140,000 USD per space. The average cost for a normal, above-ground parking structure in the United States works out to about $15,000 USD per parking space.
More facts about parking structures:
Unlike many other structures, parking structures are often not subject to building safety checks after their initial checks .
The largest parking structures in the world include the parking area at the West Edmonton Mall in Alberta, Canada, which has 20,000 spaces; the parking area at Seattle-Tacoma International Airport, which has 13,000 spaces; and McNamara terminal at Detroit Metro Airport, which has 11,500 spaces.
Parking structures can last 50 years without major overhauls. An asphalt parking lot lasts about 20 years before it has to be repaved.