bridge enhancements 07/22/2013 route 47 missouri river bridge bridgescape, llc
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Bridge Enhancements07/22/2013
Route 47 Missouri River Bridge
Bridgescape, LLC
Bridge Typical Section
• Distinctive appearance so that bridge remains a symbol
• Stay within budget: “German Simple”
• Recognize views to bridge from downtown/riverfront
• Maintain views to downtown from the bridge
• Keep design subtle; historic feel with minimal detailing
• Light pedestrian/ bicycle trail but not entire roadway;
• Lighting should enhance structure, not draw attention to itself.
Committee Design Goals (4/18/2013)
Previous Committee Selections:
• Variable Depth Girders ** ** MoDOT Funded
• Pier Shape – Gothic Pier **
• One (1) Overlook Located at Pier 7 **
• Railing – 27” Concrete Wall with Vertical Railing Element
• Girder Lighting – Girder Wash Fade
• Pier Lighting
• Overhead Pier Element – Curved Truss w/ Sun Shade
• Low Level Trail Lighting
Previous Committee Prioritization:
Enhancement Priority
Decorative Railing 1
Girder Lighting 2
Pier Lighting 3
Trail Lighting 4
View from Washington Riverfront Park
View from Washington Riverfront Park
Aerial View of Overlook
View from Pedestrian/ Bicycle Trail
View from Northbound Traffic Lane
View from Trail Below Bridge
View from Trail Below Bridge
Preferred Enhancement Package Decorative Rail + Girder Lighting + Pier Lighting + Trail Lighting
Prioritization Enhancement Estimated Cost (4) Estimated Cost (4A)
1 Decorative Railing (Addition to MoDOT Credit) $380,000 $380,000
2 Girder Lighting – Fade (west face only) $587,000
Girder Lighting – Fade(east and west face) $1,133,000
3 Pier Lighting $172,000 $172,000
4 Trail Lighting (full length) $137,000 $137,000
SUBTOTAL $1,276,000 $1,822,0003% Inflation for 3 years (9.27%) $118,000 $169,000
TOTAL $1,394,000 $1,991,000
Project Schedule
• Final Enhancement Commitment August 16, 2013
• Public Hearing (Right-of-Way) October 2013
• Final Enhancement Funds Secured August 2014
• Open Construction Bids September 2016
• New Bridge Open to Traffic Fall 2018
• Project Complete Summer 2019