Trump’s 250-Foot Triumph Arch Faces Height-Law Scrutiny

President Donald Trump has submitted plans for a 250-foot (76-meter) triumphal arch with an observation deck and three gilded statues to be sited on the Virginia side of the Memorial Bridge, near Arlington National Cemetery. The National Capital Planning Commission (NCPC) is scheduled to consider the project on July 9, 2026, after the U.S. Commission of Fine Arts approved the design in May. The NCPC staff has issued an 185-page report recommending design revisions to satisfy the Height of Buildings Act before final approval.

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The Height of Buildings Act of 1910, signed by President William Howard Taft, limits most structures in Washington, D.C., to roughly 130 feet. The law was enacted when the city was governed by federally appointed commissioners rather than an elected local government, a structure that persisted until the 1970s. Historically, the act has been applied to federal projects, but the Interior Department now argues the statute “does not reference federal buildings” and was never intended to constrain them.

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NCPC staff advises the commission to request a redesign that redistributes height among the arch’s main structure, roof, and statuary to comply with the Height of Buildings Act. The staff also seeks additional data on traffic impacts, the proposed granite exterior, and other design elements before the Interior Department returns the plan for final approval. The White House has not released a cost estimate for the arch, though Trump has suggested it could be funded with unused private donations earmarked for a new White House ballroom.

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A coalition of Vietnam veterans and a historian has filed a federal lawsuit claiming the arch would obstruct sightlines between the Lincoln Memorial, Arlington National Cemetery, and the home of Confederate General Robert E. Lee. Critics argue the project violates the Commemorative Works Act, a 1912 law requiring congressional authority for structures on federal land, and exceeds the traditional skyline-preserving limits.

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• “Staff suggests the Commission request the applicant revise the project design to comply with the Height of Buildings Act and return to NCPC for final approval,” — National Capital Planning Commission staff report

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• “For decades, the planning commission reviewing construction projects in Washington has stood by the principle that the federal law limiting the height of buildings in the capital applies to federal projects,” — Luke Broadwater, Emily Badger, and Junho Lee, *New York Times*

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• “The act 'does not reference federal buildings,' the Interior Department wrote in a memo submitted to the panel, arguing that 'Congress did not intend' for the law to be interpreted the way the commission had read it for nearly 90 years.” — Interior Department memo

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• “Democrats have said that the project violates three federal laws, including the Commemorative Works Act, which governs monuments on federal land in Washington, and a 1912 law that says buildings or structures 'shall not be erected' on federal land in the capital 'without express authority of Congress,'” — Democratic lawmakers (as reported)

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