Officials aim for 20-hour construction on Trump's 250-foot triumphal arch near Lincoln Memorial

The Trump administration plans to build a 250-foot triumphal arch near the Lincoln Memorial, with construction running 20 hours a day, 365 days a year, according to Associated Press. Officials want the project done within three years — a pace that would require tower cranes standing up to 320 feet tall, forklifts, and concrete pump systems on the National Mall.
The National Park Service launched a fast-tracked historic preservation review on June 5, releasing a 24-page preliminary assessment, ARLnow reported. The Federal Aviation Administration is also reviewing whether a 250-foot structure near Reagan National Airport poses a safety risk to aircraft.
At 250 feet, the arch would stand more than twice the height of the Lincoln Memorial, which is 99 feet tall. It would also surpass the world's current tallest arch — a 197-foot structure in Pyongyang, North Korea — by 53 feet, according to Politico.
Trump first floated the idea on October 16, 2025. When reporters asked who the arch would be for, he replied, "Me," according to NPR. White House Press Secretary Karoline Leavitt later presented artist renderings of the design in April 2026, defending the project against critics who called it a vanity project.
The construction schedule calls for two 10-hour shifts per day, every day of the year. That pace would shrink westbound lanes on the Arlington Memorial Bridge from three to two for up to 11 months, NBC News reported.
The FAA is studying whether the arch's height creates a hazard along the "River Visual" approach into Reagan National Airport. Preliminary designs have already been changed to include required aviation safety lighting, according to Everett Post.
House Democrats argue the arch breaks the Height of Buildings Act of 1910, which limits how tall structures in Washington can be. Rep. Don Beyer called it a "vanity project" that "brazenly violates existing law," TIME reported. Democrats have introduced a bill to block federal funding for any arch taller than 50 feet without a vote in Congress.
Vietnam War veterans have filed a lawsuit arguing the arch's size and round-the-clock construction would disrespect Arlington National Cemetery, according to The Guardian. At a recent National Capital Planning Commission hearing, roughly 20 members of the public testified for three hours — with most opposing the project.
A final cost estimate for the arch has not been released. The administration says a mix of private donations and taxpayer money will fund it. Officials have framed the public-private model as a way to "save taxpayer dollars," NBC News reported.
The U.S. Commission of Fine Arts, made up of Trump appointees, has already approved the arch's design. But the National Capital Planning Commission voted on June 4 to seek more information about its impact on air travel and city views before giving final approval, according to Military.com.
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