92 bridge work starts today Posted By: Ben Butler July 7, 2009 @ 4:28 am Today's Local News Tweet Share Email The bridge over the Iowa River in Columbus Junction will be reduced to one lane today (7/7) as crews begin approach repair. The Iowa Department of Transportation’s website says traffic will be guided by temporary signals. A 12-and-a-half foot width limit on the span also goes into effect today. The DOT’s website says they expect to lift the restriction by the end of August.