Trump's Triumphal Arch clears major hurdle after administration makes unusual move on review

The Advisory Council on Historic Preservation said on Thursday that it would end the review process and abandon efforts to reach an agreement
President Donald Trump said the arch would house and rapidly deploy drones, provide rooftop and plaza sniper positions, and store sniper ammunition (Kevin Dietsch/Getty Images)
President Donald Trump said the arch would house and rapidly deploy drones, provide rooftop and plaza sniper positions, and store sniper ammunition (Kevin Dietsch/Getty Images)

WASHINGTON, DC: The 250-foot-tall Triumphal Arch, which was originally presented as a monumental tribute marking the 250th anniversary of American independence, has cleared a major roadblock as the Trump admin will end a key part of a review to evade the federal historic preservation law.

Officially envisioned as the "Great Triumphal Arch and Military Observation Deck," the structure is planned for Memorial Circle on Columbia Island.

Agency ends review process and clears arch's biggest hurdle

WASHINGTON, DC - JUNE 22: A scale replica of President Donald Trump's 250-foot-tall
A scale replica of President Donald Trump's 250-foot-tall 'Triumphal Arch' stands in the middle of the National Mall along 7th Street Northwest on June 22, 2026, in Washington, DC (Chip Somodevilla/Getty Images)

Section 106 of the review usually requires independent groups that have an interest or expertise in historical preservation matters related to a project to sign off.  

The Advisory Council on Historic Preservation, the federal agency charged with overseeing the review, on Thursday, September 24, said that it would terminate the consulting process, essentially giving up on reaching an agreement.

The agency, in a letter to the Interior Department announcing the move, said the consulting parties would be invited to “participate in a meeting with the ACHP to verbally provide their comment” before asking the Interior secretary for “a final decision on the undertaking.”

What ending the review means for the arch's timeline

The move clears a major hurdle for Trump’s arch, but it could also lead to lawsuits over whether the review can legally be ended.

WASHINGTON, DC - APRIL 16: An image and model of President Donald Trump's proposed triumphal arch to commemorate the country's 250th anniversary are displayed during a public meeting of the Commission of Fine Arts at the National Building Museum on April 16, 2026 in Washington, DC. The Commission of Fine Arts voted unanimously to move forward with a proposed 250-foot arch informally dubbed the
An image and model of President Donald Trump's proposed Triumphal Arch is displayed during a public meeting of the Commission of Fine Arts at the National Building Museum on April 16, 2026, in Washington, DC (Andrew Harnik/Getty Images)

The decision also shows that the administration wants to move quickly with the project despite objections from experts, legal concerns and public criticism. The move could put the arch on track for final approval in early November.

Several groups involved in the review immediately criticized the decision. They told CNN they were not given enough time to review the plan and provide their input.

“This truly is boundary-busting,” said Charles Birnbaum of the Cultural Landscape Foundation, a DC-based nonprofit which is among the parties. The administration’s position that “somehow there has been a process is an outright lie,” he said.

WASHINGTON, DC - OCTOBER 15: A model of President Donald Trump's proposed triumphal arch to commemorate the country’s 250th anniversary is seen on the Resolute Desk as President Trump holds a press conference with FBI Director Kash Patel and Attorney General Pam Bondi in the Oval Office of the White House on October 15, 2025 in Washington, DC. Trump and Federal Bureau of Investigation Director Kash Patel provided an update on the Trump administration’s progress in reducing violent crime. (Photo by Kevin Dietsch/Getty Images)
A model of President Donald Trump's proposed triumphal arch is seen on the Resolute Desk as President Trump holds a press conference in the Oval Office of the White House on October 15, 2025, in Washington, DC (Kevin Dietsch/Getty Images)

The consulting parties include experts, state preservation officers and local authorities. They were given only two meetings for the Section 106 review.

Such reviews usually take several months for projects as large as the proposed arch. The latest meeting, held in early September, ended without an agreement. The groups said they needed more information before they could reach a decision.

Triumphal Arch to be converted into military complex

Trump on Sunday, September 20, wrote a Truth Social post that, after a request from the military, he has decided to convert the “magnificent” Triumphal Arch into a military complex.

WASHINGTON, DC - OCTOBER 15: U.S. President Donald Trump holds models of an arch as he delivers remarks during a ballroom fundraising dinner in the East Room of the White House on October 15, 2025 in Washington, DC. Trump hosted organizations and individuals for a fundraising dinner for the new $250 million ballroom addition currently under construction at the White House. (Photo by Kevin Dietsch/Getty Images)
President Donald Trump holds models of an arch as he delivers remarks during a ballroom fundraising dinner in the East Room of the White House on October 15, 2025, in Washington, DC (Kevin Dietsch/Getty Images)

He said the change was being made for national security purposes.

Trump said the facility would house and rapidly deploy drones, provide sniper positions on its roof and plaza, and store quantities of sniper ammunition.

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