Several people were killed, according to NBC 6 South Florida, citing the Florida Highway Patrol. The highway patrol did not immediately respond to a request for comment from Reuters.
Miami police warned people to avoid the area.
Live footage on CBS Miami showed the bridge had collapsed on top of at least three vehicles. Firefighters were on the scene and medics were treating injured people.
Emergency personnel appeared to be trying to work their way through a hole in the top of the bridge.
The Miami Herald reported the bridge was installed on Saturday morning.
Source:.euronews.com