One-day project will let crews replace bearings on downtown bridge.
Contractors group claims minorities under-represented on massive project.
St. Charles officials expect casino, business revenue to drop.
The bridge is about 20 miles southeast of Pittsburgh.
26-year-old driver Brandon Garcia had BAC of .16 when he struck pedestrians, knocking one over edge of bridge.
Traffic lanes closed on PSB, WB I-64 shut down at Jefferson.
Construction crews work to repair an expansion joint on the bridge.
Arnold Grice, 24, had been shot multiple times.
Crews retro-fitting PSB for earthquake safety.
Crash shut down I-155 bridge near Caruthersville.