Winter Street Bridge PROJECT UPDATE

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Winter Street Bridge PROJECT UPDATE

• May 20, 2005

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Winter Street/I-95 InterchangeWaltham, MA
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Existing Interchange Issues
Reservoir Contamination Potential
Future Capacity Exceeded
Deficient Vertical Clearance/ Damaged Bridge
Flooding
Undesirable Weave Movements
High Turning Volume
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Proposed Interchange Improvements
Totten Pond Road/Winter Street/Wyman
Street/Third Avenue Intersection
2nd Avenue/ Winter Street Intersection
Collector/ Distributor Road
Winter Street Bridge
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Winter Street/Second AvenueIntersection
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2nd Avenue/Winter Street Intersection
All Movements Preserved
Exclusive Right Turn Lane (No Signal)
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Existing Winter Street Bridge
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Winter Street Bridge
7 Lanes
Period Pedestrian Lighting
4 Lanes
Route 128 I-95 SB
Route 128 I-95 NB
Low Vertical Clearance
Multiple Utility Bays
Temporary Bridge Repair Beam
16-6 (5.0m) Vertical Clearance
Route 128 I-95 SB
Collector/ Distributor
Route 128 I-95 NB

• Enhanced Architectural Treatment
• Concrete Forming Details
• Concrete Beams

Existing
Proposed
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Totten Pond Road/Wyman Street/Third Avenue
Intersection
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Totten Pond Road/Winter Street/Wyman Street/Third
Avenue Intersection
Number of Intersection Approach Lanes Increased
Intersection Movements Simplified Capacity
Increased to Meet Demand
Pedestrian Access Maintained
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Construction Staging
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Construction Staging
Temporary Bridge
Temporary Roadway Realignment
Staging for Up to 6 Feet Additional Fill Height
All Movements Maintained
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Proposed Bridge Cross Section
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Proposed Bridge Lighting
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Proposed Bridge
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Drainage Master Plan
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Project Schedule

• Bid Opening held on 09/22/04 -- 21 mil. low bid
  from Roads Construction Corporation
• MHD to issue Notice to Proceed 01/20/05
• Executed Agreement finalized 02/13/05
• Contractor submitted schedule of operations to
  MHD for approval by 02/13/05
• Pre-Construction meetings held at the end of
  February, 2005 with construction starting at the
  beginning of March, 2005.

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Questions?

• Franklin G. Ching, Ph.D., P.E.
• City of Waltham Transportation Department
• 119 School Street
• Waltham, MA 02451