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US 6, Broadway Viaduct. Steve D. Kathol, P.E., S.E. Project Overview. Iowa ABC Workshop, August 11-12, 2008 Des Moines, Iowa. Broadway Viaduct. US 6, Broadway Viaduct. Project Overview. 3- UPRR Tracks. Indian Creek (In Culvert- Historic Structure). Historic Structures. 1- CNIC Track.
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US 6, Broadway Viaduct Steve D. Kathol, P.E., S.E. Project Overview Iowa ABC Workshop, August 11-12, 2008 Des Moines, Iowa
US 6, Broadway Viaduct Project Overview 3- UPRR Tracks Indian Creek (In Culvert- Historic Structure) Historic Structures 1- CNIC Track City Streets
US 6, Broadway Viaduct Existing Viaduct Existing viaduct: built in 1955, 1394’ x 64’, 19-span steel I-beam plus cellular abutments
US 6, Broadway Viaduct Traffic Phasing Detour Westbound Traffic 2-Lanes Eastbound Traffic
US 6, Broadway Viaduct Proposed Plan and Section Light Wt. Fill W/ Retaining Walls at Ea. Approach Aesthetics- To Be Determined Iowa BTE Beams 4-Column Piers W/ Base Grouted Drilled Shafts
US 6, Broadway Viaduct Construction Phasing
US 6, Broadway Viaduct Construction Phasing
US 6, Broadway Viaduct Construction Phasing
US 6, Broadway Viaduct Construction Phasing
US 6, Broadway Viaduct Construction Phasing
US 6, Broadway Viaduct Bridge Cross-Section
Broadway Viaduct Identify accelerated construction methods to complete each stage in one construction season Maintain two traffic lanes (staged construction) Avoid construction vibration Evaluate the use of light weight fill for approach fill Session Objectives