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4 TH STREET BRIDGE Pueblo, Colorado

This project involves the replacement of the existing 4th Street Bridge in Pueblo, Colorado. The current bridge is structurally deficient and functionally obsolete. The new bridge will have a 4-lane build with a future capacity for 6 lanes. The project team consists of the Colorado Department of Transportation, FHWA, and various design consultants. The project timeline spans from 2006 to 2011.

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4 TH STREET BRIDGE Pueblo, Colorado

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  1. 4TH STREET BRIDGEPueblo, Colorado December 2006 Project Overview

  2. Project Team • Colorado Department of Transportation • FHWA • Design Consultants • FIGG Project Management & Bridge Engineering • PBS&J Civil, Roadway, Traffic, Utilities, Environmental • Ayres Associates Hydraulics & Drainage • Goodson/MWWA Geotechnical, Geology • The Szynskie Group Lighting & Electrical Design • EDAW Urban Design & Landscape Architecture • Abel Engineering Survey & ROW Support

  3. Project History • Replacement of existing bridge K-18-Z • Structurally Deficient, Functionally Obsolete • Statewide Transportation Plan – 1996 • Consultant Services - 2000 • Conceptual Design – 2001/2002 • Preliminary Design 2003 • Environmental Clearance – 2003 thru 2005 • Final Design – 2006

  4. Project Timeline • 90% Plans October 18, 2006 • PS&E December 18, 2006 • Advertisement March 2007 • Contract Award May- June 2007 • Construction (3-4 years) 2007-2011

  5. Project Description

  6. Project Aerial Map Mall To I-25 Loop Ramp Rd River RR Yard Bluff Floodwall Bluff

  7. Site Photo

  8. Project Description • Study Corridor • Elizabeth St. to Abriendo Ave. • Construction Limits • Midtown Circle to Corona Ave.

  9. Site Description – West End Bluff Arkansas River Trail Fishing Pier Kayak Course

  10. Site Description – East End Railroad Facilities Midtown Mall Commercial Downtown Pueblo

  11. Existing Bridge Conditions • Undesirable Roadway Geometry • Insufficient Safety Clearances • Substandard Load Carrying Capacity • Structurally Deficient • Functionally Obsolete • Insufficient Pedestrian/Bicycle Facilities

  12. Existing Bridge Conditions Narrow Lanes, Shoulders, Sidewalks

  13. Project Considerations • Railroad Coordination • City Coordination • Utilities • Phasing / Maintenance of Traffic • Arkansas River & Recreation Area • Access to Midtown Mall • Construction Access and Staging Areas • Environmental Compliance

  14. Proposed Roadway Section 4-Lane Build / 6-Lane Future Capacity

  15. Proposed Structure & Alignment

  16. Proposed Alignment North Alignment - Aerial

  17. Proposed Structure Information • Twin Structures 6-ft Separation • Average Length: 1,137 feet • 5 Spans (151’, 235’, 378’, 228’, 145’) • Clear Spans: • Arkansas River & Levee • River Trail • UPRR & BNSF Yards (w/ pier between) • Loop Ramp Road

  18. Proposed Bridge (from Bluff)

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