The McKinley Bridge was closed Thursday morning in the wake of a shootout, but reopened by 9 a.m.
According to police reports, the situation began with a traffic stop near the bridge in Venice and ended on the ramp to the span over the Mississippi River.
An officer attempted to pull over a red Ford Mustang at just before 3 a.m., according to Illinois State Police spokesman Calvin Dye Jr.
The car sat at 7 a.m. on the bridge ramp with a police cruiser up against it. The Mustang appeared to have several bullet holes in the trunk lid.
Dye confirmed there was an officer-involved shooting. But he said reports were incomplete and he did not immediately have information about the condition of the suspect or the police officers involved in the case.
Madison and Venice police were initially involved. The investigation was later taken over by the Illinois State Police
Police said the bridge was closed while the case was investigated.