It is on 170 near St Charles Rock Road in St Louis County.
The company that operates the billboard took it down today citing that it did not meet their requirements for political adds because the sponsoring organization did not put their info on the sign. They did not indicate who paid for it
There are also reports the same billboard is displayed on I-35 5 miles North of Waco TX
A group calling themselves Make the Gospel Great Again took credit for it on Facebook but have taken down their page
"This is one of our efforts, yes! We are nationwide, bringing the good news of God re-taking his country, and making it a stronger, more Christian place. ... We are a group of evangelicals from both Baptist and non-denominational backgrounds who love Jesus and the Bible," "We don't have an office or website other than this facebook page. It's sparse, but we moved up our plans for the election this year."
"liberals and other non-Christians" to attack their efforts because "they will stop at nothing to deceive believers and overthrow our president."
"MGGA exists to help spread the truth of God's great champion on earth — President Donald Trump," the group's mission statement read, according to the "Friendly Atheist." "The Lord anointed Mr. Trump to bless America, and we live out our faith by following him. Donald Trump has already won many victories for Jesus by stopping abortions, telling the truth, proving that the real racists are not white, and fighting against the liberal media and their War on Christians!" "we will not stand for their disgusting witch hunts and fake news about porn stars, nazis and Russians and raping."
"When someone tries to lay a guilt trip on you for being successful, remember that your guilt is some politician's license to take what you worked for and give it to someone else who is more likely to vote for the politician who plays Santa Claus with your money."