NEW ORLEANS (WGNO) — On Thursday, the New Orleans Police Department began investigating a fatal car accident on I-10 East on the Twin Span Bridge. According to police, the accident happened near mile marker 257 heading towards Slidell. Police were notified of the crash around 2:30 a.m.Through investigation, the NOPD was able to determine that a disabled vehicle was located in one of the eastbound travel lanes when the driver of another vehicle c…