MoDOT's Bridge Inspection crews have briefly inspected the bridge ramp from the Poplar Street Bridge to westbound I-55 and have confirmed the concrete that fell off yesterday was just off the outer surface of the edge of the bridge. There is nothing structurally wrong with the ramp bridge.
The crews are doing a proactive review of all of the bridges in the downtown area to look for other similar cracks and knock off any other potentially loose concrete. The crews currently have the right lane closed on eastbound I-70 in the depressed section. They will inspect the bridges over the depressed section and work their way under the Poplar Street Bridge complex and down part of I-55 inspecting all the overhead bridges as they go.
With the recent freeze and thaw temperatures we have had, the facade along edge can get cracks in the older bridges. The crews are looking to remove anything from the edge that might break loose. Motorists should expect lane closures on eastbound I-70 to southbound I-55 and northbound I-55 to westbound I-70 for several more hours.