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Oakland Jr. High – STEM Classes – Project Update and 3D
Printing
March 26, 2015
St. Croix Crossing Project
Project Development/Construction update:
Todd Clarkowski, P.E.St. Croix Crossing Project Coordinator
St. Croix Crossing Project Area
Bayport
The New St. Croix Crossing
The New St. Croix Crossing
The New St. Croix Crossing
The New St. Croix Crossing – night time
TH95 under Bridge
Roadway View
Roadway View – night time
Animations
Lift Bridge
New St. Croix Crossing
2014 River Bridge Construction
River Bridge Overview
2014 River Bridge Construction
2014/2015 River Bridge Construction
Column Blades and Crossbeam
Crossbeam Construction
Crossbeam Construction
Crossbeam Construction
Crossbeam Construction
Crossbeam Construction
2014 River Bridge Construction
2014/2015 River Bridge Construction
2014/2015 River Bridge Construction
2014/2015 River Bridge Construction
2014/2015 WI Construction
Minnesota Approach Bridge Piers–2014
Column
Footing
H-Piles
Future Groundline
Segments
Minnesota Approach Bridge Piers–2014
As of February 2015, 22 of 23 total land piers are at full height
Minnesota Approach Bridge Segments
approx. 40 ft.
10 ft.
- Approximately 350 pre-cast segments make up the Minnesota approach bridge superstructure
- Average weight: 90 tons- Average length: 8-1/2 feet
On-Site Casting Yard - OPH
On-Site Casting Yard - OPH
On-Site Casting Yard - OPH
Segment Placement - MN Approach Bridge
River Bridge Cross Section – Two Precast Box Segments
100 ft.
18 ft.
Segments
Grey Cloud Island Casting Yard
100’ x 600’ Building
Grey Cloud Island Casting Yard
River bridge segments- 5 casting beds- 656 segments- 18 ft. deep- 10 ft. long - 50 ft. wide- Weighs 180 tons- Barged on Mississippi and St. Croix rivers to project
site- Majority of segments placed in 2015
Segment Placement - River Bridge
Construction Sequence
Construction Sequence
Construction Sequence
Construction Sequence
Construction Sequence
2015 Construction
New River Bridge
Wisconsin roadway approach
Mitigation Items
NW ramp in Minnesota
Minnesota approach bridge
Schedule
− Mn Roadway – majority completed by 2015
− WI Roadway – completed by 2016
− New River Bridge – completed by 2016
− Mitigation items -implemented “before”, “during” or “after” construction
Project Information
Project Office1862 Greeley Street S., Stillwater
Project Website – Webcams and Weekly Update www.mndot.gov/stcroixcrossing/
Hotline1-855-GO-CROIX
E-mailstcroixcrossing.dot@state.mn.us
Facebook www.facebook.com/saintcroixcrossingmndot
Twitter @stcroixcrossing
Questions?
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