4 TH STREET BRIDGE Pueblo, Colorado December 2006 Project Overview

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

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

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

Project Description

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

Site Photo

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

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

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

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

Existing Bridge Conditions Narrow Lanes, Shoulders, Sidewalks

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

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

Proposed Structure & Alignment

Proposed Alignment North Alignment - Aerial

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

Proposed Bridge (from Bluff)