us 6, broadway viaduct
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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. - PowerPoint PPT PresentationTRANSCRIPT
US 6, Broadway ViaductSteve D. Kathol, P.E., S.E.
Iowa ABC Workshop, August 11-12, 2008 Iowa ABC Workshop, August 11-12, 2008 Des Moines, IowaDes Moines, Iowa
Project Overview
Broadway Viaduct
US 6, Broadway Viaduct
Historic Structures
Indian Creek (In Culvert- Historic Structure)
3- UPRR Tracks
1- CNIC Track City Streets
Project Overview
US 6, Broadway ViaductExisting Viaduct
Existing viaduct: built in 1955, 1394’ x 64’, 19-span steel I-beam plus cellular abutments
US 6, Broadway Viaduct
2-Lanes Eastbound Traffic
Detour Westbound Traffic
Traffic Phasing
US 6, Broadway ViaductProposed Plan and Section
4-Column Piers W/ Base Grouted Drilled Shafts
Iowa BTE Beams
Aesthetics- To Be Determined
Light Wt. Fill W/ Retaining Walls at Ea. Approach
US 6, Broadway ViaductConstruction Phasing
US 6, Broadway ViaductConstruction Phasing
US 6, Broadway ViaductConstruction Phasing
US 6, Broadway ViaductConstruction Phasing
US 6, Broadway ViaductConstruction Phasing
US 6, Broadway ViaductBridge 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