The American Society of Civil Engineers (ASCE) is maintaining its grading of D+ for U.S. aviation infrastructure, citing a capacity-constrained system that is projected to only worsen over time. ASCE releases its Report Card for America’s Infrastructure every four years, providing an infrastructure assessment throughout the nation. The 2025 edition, which evaluated 18 categories, had grades ranging from “B” to “D.”
In aviation, the grade matched that of the 2021 report. The report pointed to FAA projections that passenger traffic is expected to increase at a rate of 2.5% annually between 2023 and 2044, from 811 million to 1.3 billion. At the same time, the agency has found that 11 airports are expected to be runway-capacity-constrained by 2028, increasing to 14 by 2033. (“Capacity constrained” is defined as airports exceeding 80% of their hourly runway capacity for at least 50% of the time.) Further, 13 more airports are at risk of “significant congestion” through 2033, according to the report.
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