The proposed 76-metre arch would tower over other iconic landmarks in Washington, DC, and has attracted scrutiny.

United States President Donald Trump’s goal of erecting a colossal arch in Washington, DC, has taken another step forward, with a key agency approving his proposed design for the monument.

The US Commission of Fine Arts, whose members were appointed by Trump, gave its go-ahead to the president’s design for a lofty 76-metre-high (250-foot) arch.

If given final approval, the arch would be built on Memorial Circle, between the Arlington National Cemetery and the Lincoln Memorial. It would tower above other landmarks in the national capital.

White House spokesperson Davis Ingle hailed the commission’s approval as a “step in accomplishing President Trump’s promise to the American people from the campaign trail — to Make America Safe and Beautiful Again”.

But the arch has faced criticism, including for potentially obscuring views of the national cemetery, a resting place for war veterans.

Public Citizen Litigation Group is representing some Vietnam War veterans in a lawsuit against the proposed construction, which they argue needs congressional approval.

Even the vice chair of the Commission of Fine Arts, James McCrery II, suggested that Trump’s proposed “Triumphal Arch” ditch the winged statue and eagles on its top. He also opposed the lions at its base, pointing out that African animals are “not a beast natural to the North American continent”.

The enormous arch is another effort by the US president to leave his mark on the physical landscape of Washington, DC.

In January, he told reporters he wants the arch to be the “biggest one of all”. The commission still needs to vote on final approval for the proposal after reviewing updated designs.

Current plans show the arch would be significantly larger than the Lincoln Memorial, which is 99 feet (30 metres) tall, and about twice as tall as the famous Arc de Triomphe in Paris, which the design resembles.

The phrases “One Nation Under God” and “Liberty and Justice for All” would be written in gold lettering atop either side of the monument.

About three out of every four people who delivered public comments about the project expressed opposition, many of them citing its enormous size.

But the arch is one of several Trump projects that have received public pushback.

Trump has sought to paint the granite of the Eisenhower Executive Office Building white, and his allies plan to close the Kennedy Center for the Performing Arts, a national theatre complex, for two years of renovations, after adding Trump’s name to the exterior.

One of the most permanent changes so far has been the abrupt demolition of the White House’s East Wing, in order to make room for an enormous ballroom, long one of Trump’s priorities.

But that project is likewise entangled in legal battles, with critics arguing that congressional approval is required.

On Wednesday, Judge Richard Leon clarified that construction on underground structures at the ballroom site could continue, as part of an exemption he previously allowed for national security concerns.

But he maintained his short-term injunction against construction on the ballroom itself, batting down Trump’s position that the whole project should proceed.

“Defendants argue that the entire ballroom construction project, from tip to tail, falls within the safety-and-security exception and therefore may proceed unabated,” Leon wrote in Thursday’s ruling.

“That is neither a reasonable nor a correct reading of my Order!”

The president responded on social media by calling Leon an “out of control Trump hating” judge. Leon was appointed in 2002 under Republican President George W Bush.