WASHINGTON—The U.S. Federal Aviation Administration said Thursday it will award $2.89 billion to 3,075 airports under a new $1 trillion infrastructure bill signed into law last month. Airports can use funds for runways, taxiways, safety, terminal, airport-transit connections, and roadway projects. The infrastructure law provides $15 billion over five years and the FAA estimates there is a $43.6 billion backlog in airport modernization and safety projects. Atlanta’s International Airport will receive $92.5 million, the most of any airport, while Los Angeles International will get $79.3 million and Chicago O’Hare $73.7 million. During the pandemic, some airports were forced to put some projects on hold because of lower passenger volumes. Airports have received about $20 billion in emergency pandemic funding since March 2020 from Congress. San Francisco International Airport is set to receive $49.35 million from the FAA for the current budget year. It will use the funds to complete the …