The Illinois DOT announced that a weight restriction on the bridge that carries I-270 (both directions) from their state to north St. Louis County and vice versa will go into effect Tuesday, September 8, 2009.   Only trucks of legal weight (up to 80,000 lbs) will be allowed on the bridge.

Alternate routes include U.S. 67 in north St. Louis County and I-255 in south St. Louis County. The duration of the weight restriction is unknown.