Officials shut down traffic in the slow lane of southbound State Route 163 in Kearny Mesa Thursday morning after a big rig crashed into the bottom of a bridge overpass.
California Highway Patrol (CHP) said the accident happened around 7:15 a.m. on SR-163 near the Clairemont Mesa Boulevard exit.
After the semi-truck hit the overpass, drivers reported concrete debris scattered in at least one lane on the freeway.
CHP issued a SigAlert for the area, shutting down traffic in the impacted slow lane until further notice. Officials requested a bridge inspection to check the condition of the overpass.
No injuries were reported. Traffic was slow from the I-15 to the site of the crash.
As of 9 a.m., Caltrans bridge inspectors were on site. Traffic was being allowed on both the bridge and the other lanes of the freeway, with some slowing still affecting the fourth lane on southbound SR-163.
Caltrans said the truck that struck the overpass was a flatbed carrying construction equipment.
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