It's unclear what led up to the crash and if there are any injuries. As of 7 p.m., all northbound lanes have reopened, but a closure remains in place for the southbound lanes.
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AIR7HD video from above the scene showed the big rig on its side, covering most of the lanes.
The truck is on the transition road and concrete debris from the sidewall of the overpass has been falling onto the lanes, prompting an immediate response from crews.
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