A semi crash snarls early-morning traffic on I-44 in Tulsa.
The accident happened just before 8:00 o'clock Wednesday morning on I-44.
Troopers said a semi heading east drifted onto the shoulder. The rig hit a disabled truck parked on the shoulder, tipped over and scraped along the Union Avenue bridge support.
Troopers said they aren't sure yet why the driver lost control of his truck. No one was hurt
The semi was loaded with large panes of glass, troopers said.
ODOT has the inside lane of eastbound I-44 closed while inspectors check the bridge for damage.