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Ontario’s Rapid Installation of Single Span Bridges
Featured Speakers: Dina Miron, P.E., Head, Structural Section, Ministry of Transportation, Ontario, Eastern Region
Michel Vachon, P.E., Manager, Bridge Engineering, Ottawa, Ontario MMM Group Limited, a WSP Company
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The Ministry of Transportation of Ontario (MTO)
. The highway authority for the Province of Ontario in Canada . Split into 5 regions Eastern Region 3
Ottawa 4 5 History of Rapid Replacement in 6 Eastern Region Single Span Bridges • Replacement of 6 Kent single span slab-on- steel girder twin bridges with semi- integral abutment conversions along Highway 417 in Ottawa
Island Park • Most recent completed WB Carling replacement occurred Kirkwood in 2015 - Kent Street EB Carling Overpass
Clyde Rehabilitation of Single Span Bridges 7 Project Issues
• Original girders in salvageable condition • AADT of approx. 160,000 through this section of Hwy 417 • Deck replacement would extend length of project and have a larger impact on traffic • Rapid superstructure replacements with major rehabilitation of abutments reduce traffic impacts
Clyde Ave. WBL 2007 Carling Ave. WBL 2011 History of Projects involving SPMTs 8 in Ontario
Single Span Multiple Span Rigid Frame
13 3 2 History of Rapid Replacement in 9 Eastern Region • Island Park Drive Overpass, site 3-48 • Located along Highway 417 in Ottawa, Ontario • Twin structure, 24.7m span, 18.24m wide • 50° skew, 600 tonnes • First time rapid superstructure replacement using SPMTs by MTO in 2007 • Required 17 hour full closure
History of Rapid Replacement 10 in Eastern Region Other Single Span Rapid Replacements • Hwy 417 Clyde Avenue Overpass (2008) • twins, 21.55 m span x 21.0 wide, • 30° skew, 560 tonnes • 5 m abutment widening • Hwy 417 Carling Avenue EB (2011) • 20.15 m span, 29.8 m & 21.0m wide • 30° skew, 700 & 500 tonnes • 11.5 m & 5.1 m widening
• Hwy 417 Kirkwood Avenue (2013) • Twins, 23.9 m span, 21.0 wide • 24° skew, 585 tonnes • widening: 5.1 m • Hwy 417 Carling Avenue WB (2013) • 19.0m/18.70 m span, 27.1 m & 20.1m wide • 30° skew, 625 & 470 tonnes • 4.9 m & 5.3 m widening
Kent Street Overpass 11 Original Structure Structure Name Kent Street Overpass Structure Type Single span reinforced concrete box girder Highway 417 Number Year Built (age) 1965 Rehab History 1985- Replaced median barrier, expansion joints, barrier walls, overlay; repairs to abutments, wingwalls and retaining walls; WPR 1998- Shotcrete AADT 160,000 Unique features • Curved expansion joints • Curved abutments