Canal Lake Concrete Arch Bridge: Difference between revisions
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{{Infobox bridge |
{{Infobox bridge |
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| name = Canal Lake Concrete Arch Bridge |
| name = Canal Lake Concrete Arch Bridge |
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| extra = {{Designation list |embed=yes |designation1=NHSC |designation1_offname=Canal Lake Concrete Arch Bridge National Historic Site of Canada |designation1_date=24 June 1988 }} |
| extra = {{Designation list |embed=yes |designation1=NHSC |designation1_offname=Canal Lake Concrete Arch Bridge National Historic Site of Canada |designation1_date=24 June 1988 }} |
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The arch is a closed spandrel, in which the [[structural load]] of the [[Deck (bridge)|deck]] is carried to the arch ribs via spandrel walls.{{sfn|Maryland Department of Transportation|p=138}} It has a radius of {{convert|30|ft|m}},{{sfn|Backgrounder}} and its vertical clearance of {{convert|29|ft|m}} is sufficient for vessels to navigate underneath.{{sfn|Old|Frood|2008}} The deck is {{convert|16|ft|m}} wide, and spans {{convert|202|ft|m}} over the lake, anchored by reinforced concrete abutments.{{sfn|Backgrounder}} The concrete spandrel walls are marked to imitate the [[voussoir]] layout common to stone arch bridges and the "coursed stonework of stone masonry bridge abutments".{{sfn|Canadian Register of Historic Places}} |
The arch is a closed spandrel, in which the [[structural load]] of the [[Deck (bridge)|deck]] is carried to the arch ribs via spandrel walls.{{sfn|Maryland Department of Transportation|p=138}} It has a radius of {{convert|30|ft|m}},{{sfn|Backgrounder}} and its vertical clearance of {{convert|29|ft|m}} is sufficient for vessels to navigate underneath.{{sfn|Old|Frood|2008}} The deck is {{convert|16|ft|m}} wide, and spans {{convert|202|ft|m}} over the lake, anchored by reinforced concrete abutments.{{sfn|Backgrounder}} The concrete spandrel walls are marked to imitate the [[voussoir]] layout common to stone arch bridges and the "coursed stonework of stone masonry bridge abutments".{{sfn|Canadian Register of Historic Places}} |
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The bridge was refurbished between April 2018 and February 2019 by GMP Contracting Ltd., the work included patching concrete, refacing the surface and replacing the road deck.<ref>{{cite web |title=Extended Road Closures |url=https://www.kawarthalakes.ca/en/news/extended-road-closure-centennial-park-road-kirkfield-canal-lake-arch-bridge-rehab-apr-1618-feb-1519.aspx |website=City of Kawartha Lakes |date=13 April 2018 |access-date=22 November 2020 |archive-url=https://web.archive.org/web/20201122005003/https://www.kawarthalakes.ca/en/news/extended-road-closure-centennial-park-road-kirkfield-canal-lake-arch-bridge-rehab-apr-1618-feb-1519.aspx | archive-date=22 November 2020}}</ref><ref>{{cite web |title=Canal Lake Arch Bridge |url=http://gmpcontracting.com/portfolio/canal-lake-arch-bridge/ |publisher=GMP Contracting Ltd. |access-date=22 November 2020 |archive-url=https://web.archive.org/web/20201122004544/http://gmpcontracting.com/portfolio/canal-lake-arch-bridge/ |archive-date=22 November 2020}}</ref> |
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==National Historic Site of Canada== |
==National Historic Site of Canada== |
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The bridge was designated a National Historic Site of Canada on 24 June 1988{{sfn|Canadian Register of Historic Places}} for its early use of concrete in bridge construction,{{sfn|Wilson|2001}} for being the earliest-known bridge in Canada to be constructed using reinforced concrete,{{sfn|Parks Canada}} and for its "close association with the Trent-Severn Waterway".{{sfn|Canadian Register of Historic Places}} It is one of only a few mass concrete bridges built in [[North America]],{{sfn|Backgrounder}} as the bridge "represents a transitional structure" between earlier stone arch bridges and the advent of reinforced bridges.{{sfn|Backgrounder}} |
The bridge was designated a National Historic Site of Canada on 24 June 1988{{sfn|Canadian Register of Historic Places}} for its early use of concrete in bridge construction,{{sfn|Wilson|2001}} for being the earliest-known bridge in Canada to be constructed using reinforced concrete,{{sfn|Parks Canada}} and for its "close association with the Trent-Severn Waterway".{{sfn|Canadian Register of Historic Places}} It is one of only a few mass concrete bridges built in [[North America]],{{sfn|Backgrounder}} as the bridge "represents a transitional structure" between earlier stone arch bridges and the advent of reinforced bridges.{{sfn|Backgrounder}} |
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On 30 August 2008, a plaque was unveiled by [[Bruce Stanton]], [[House of Commons of Canada|Member of Parliament]] for |
On 30 August 2008, a plaque was unveiled by [[Bruce Stanton]], [[House of Commons of Canada|Member of Parliament]] for [[Simcoe North (federal electoral district)|Simcoe North]], representing the Historic Sites and Monuments Board of Canada.{{sfn|Old|Frood|2008}} The plaque, installed on the southwest side of the bridge, states that the Canal Lake Concrete Arch Bridge represents "an important milestone in the history of civil engineering in Canada", as it led to the development of large-span reinforced concrete bridges.{{sfn|Parks Canada}} |
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==Notes== |
==Notes== |
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==References== |
==References== |
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*{{cite |
*{{cite web|url=http://www.eic-ici.ca/PDFs/history/hawp8.pdf|title=Engineering designations of national historic significance|last=Wilson|first=Andrew H.|publisher=Engineering Institute of Canada|date=October 2001|access-date=20 January 2017|journal=|archive-url=https://web.archive.org/web/20160427052225/http://eic-ici.ca/PDFs/history/hawp8.pdf|archive-date=27 April 2016|url-status = dead|df=dmy-all}} |
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*{{cite press release|url=http://www.pc.gc.ca/APPS/CP-NR/release_e.asp?id=1254&andor1=nr|title=MP Stanton celebrates the historical significance of Canal Lake Arch Bridge|last1=Old|first1=Colin|last2=Frood|first2=Peter|publisher=[[Parks Canada]]|date=30 August 2008| |
*{{cite press release|url=http://www.pc.gc.ca/APPS/CP-NR/release_e.asp?id=1254&andor1=nr|title=MP Stanton celebrates the historical significance of Canal Lake Arch Bridge|last1=Old|first1=Colin|last2=Frood|first2=Peter|publisher=[[Parks Canada]]|date=30 August 2008|access-date=20 January 2017}} |
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*{{cite web|url=https://www.roads.maryland.gov/OPPEN/IX-CABr.pdf|title=Concrete Arch Bridges|work=Historic Bridge Context Report: Concrete Bridges|publisher=[[Maryland Department of Transportation]]|date=| |
*{{cite web|url=https://www.roads.maryland.gov/OPPEN/IX-CABr.pdf|title=Concrete Arch Bridges|work=Historic Bridge Context Report: Concrete Bridges|publisher=[[Maryland Department of Transportation]]|date=|access-date=20 January 2017|ref={{harvid|Maryland Department of Transportation}} }} |
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*{{cite web|url=http://www.pc.gc.ca/APPS/CP-NR/release_e.asp?bgid=1012&andor1=bg|title=Canal Lake Arch Bridge national historic site of Canada|work=Backgrounder|publisher=[[Parks Canada]]| |
*{{cite web|url=http://www.pc.gc.ca/APPS/CP-NR/release_e.asp?bgid=1012&andor1=bg|title=Canal Lake Arch Bridge national historic site of Canada|work=Backgrounder|publisher=[[Parks Canada]]|access-date=20 January 2017|ref={{harvid|Backgrounder}} }} |
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*{{cite web|url=http://www.historicplaces.ca/en/rep-reg/place-lieu.aspx?id=13085|title=Canal Lake Concrete Arch Bridge National Historic Site of Canada|work=Canadian Register of Historic Places|publisher=Parks Canada| |
*{{cite web|url=http://www.historicplaces.ca/en/rep-reg/place-lieu.aspx?id=13085|title=Canal Lake Concrete Arch Bridge National Historic Site of Canada|work=Canadian Register of Historic Places|publisher=Parks Canada|access-date=20 January 2017|ref={{harvid|Canadian Register of Historic Places}} }} |
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*{{cite web|url=http://www.pc.gc.ca/apps/dfhd/page_nhs_eng.aspx?id=347|title=Canal Lake Concrete Arch Bridge National Historic Site of Canada|publisher=Parks Canada| |
*{{cite web|url=http://www.pc.gc.ca/apps/dfhd/page_nhs_eng.aspx?id=347|title=Canal Lake Concrete Arch Bridge National Historic Site of Canada|publisher=Parks Canada|access-date=20 January 2017|ref={{harvid|Parks Canada}} }} |
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{{refend}} |
{{refend}} |
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[[Category: |
[[Category:1905 establishments in Ontario]] |
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[[Category:Deck arch bridges in Canada]] |
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[[Category:Bridges completed in 1905]] |
[[Category:Bridges completed in 1905]] |
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[[Category: |
[[Category:Road bridges in Ontario]] |
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[[Category:National Historic Sites in Ontario]] |
[[Category:National Historic Sites in Ontario]] |
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[[Category:Trent–Severn Waterway]] |
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Latest revision as of 15:06, 6 January 2024
Canal Lake Concrete Arch Bridge | |
|---|---|
 | |
| Coordinates | 44°33′29″N 79°02′45″W / 44.55801°N 79.04592°W |
| Carries | Centennial Park Road |
| Crosses | Canal Lake |
| Locale | Kawartha Lakes (Ontario) |
| Owner | City of Kawartha Lakes |
| Heritage status | National Historic Sites of Canada |
| Characteristics | |
| Material | Reinforced concrete |
| Total length | 202 feet (62 m) |
| Width | 16 feet (4.9 m) |
| Height | 29 feet (8.8 m) |
| Water depth | up to 15 feet (4.6 m) |
| No. of spans | 1 |
| Clearance below | 29 feet (8.8 m) |
| No. of lanes | 2 |
| History | |
| Designer | Department of Railways and Canals |
| Construction start | 1905 |
| Construction end | 1905 |
| Opened | 1905 |
| Official name | Canal Lake Concrete Arch Bridge National Historic Site of Canada |
| Designated | 24 June 1988 |
| Location | |
 | |
Canal Lake Concrete Arch Bridge is an arch bridge in Ontario, Canada, spanning a portion of Canal Lake on the Trent–Severn Waterway between Balsam Lake and Lake Simcoe. It is north-northeast from the town of Bolsover.
The closed spandrel bridge is the earliest-known bridge in Canada to be constructed using reinforced concrete, and is based on a modified Melan System of bridge reinforcement. In 1988, it was designated a National Historic Site of Canada for representing a transitional period in bridge construction and a milestone in civil engineering in Canada.
Structure
[edit]Designed by the federal Department of Railways and Canals, the bridge was built in 1905.[1] The original design was for a concrete arch bridge typical of its era. Before construction began, the design was updated by integrating reinforced concrete using a modified Melan System of bridge reinforcement, which had been pioneered by its namesake Josef Melan in the 1890s.[1][2][3] Among the changes were the installation of struts underneath the arch, and a reduction in the mass of the arch and its abutments.[3] The concrete mass is reinforced with curved steel girders.[1]
The arch is a closed spandrel, in which the structural load of the deck is carried to the arch ribs via spandrel walls.[4] It has a radius of 30 feet (9.1 m),[3] and its vertical clearance of 29 feet (8.8 m) is sufficient for vessels to navigate underneath.[5] The deck is 16 feet (4.9 m) wide, and spans 202 feet (62 m) over the lake, anchored by reinforced concrete abutments.[3] The concrete spandrel walls are marked to imitate the voussoir layout common to stone arch bridges and the "coursed stonework of stone masonry bridge abutments".[2]
The bridge was refurbished between April 2018 and February 2019 by GMP Contracting Ltd., the work included patching concrete, refacing the surface and replacing the road deck.[6][7]
National Historic Site of Canada
[edit]The bridge was designated a National Historic Site of Canada on 24 June 1988[2] for its early use of concrete in bridge construction,[8] for being the earliest-known bridge in Canada to be constructed using reinforced concrete,[1] and for its "close association with the Trent-Severn Waterway".[2] It is one of only a few mass concrete bridges built in North America,[3] as the bridge "represents a transitional structure" between earlier stone arch bridges and the advent of reinforced bridges.[3]
On 30 August 2008, a plaque was unveiled by Bruce Stanton, Member of Parliament for Simcoe North, representing the Historic Sites and Monuments Board of Canada.[5] The plaque, installed on the southwest side of the bridge, states that the Canal Lake Concrete Arch Bridge represents "an important milestone in the history of civil engineering in Canada", as it led to the development of large-span reinforced concrete bridges.[1]
Notes
[edit]- ^ a b c d e Parks Canada.
- ^ a b c d Canadian Register of Historic Places.
- ^ a b c d e f Backgrounder.
- ^ Maryland Department of Transportation, p. 138.
- ^ a b Old & Frood 2008.
- ^ "Extended Road Closures". City of Kawartha Lakes. 13 April 2018. Archived from the original on 22 November 2020. Retrieved 22 November 2020.
- ^ "Canal Lake Arch Bridge". GMP Contracting Ltd. Archived from the original on 22 November 2020. Retrieved 22 November 2020.
- ^ Wilson 2001.
References
[edit]- Wilson, Andrew H. (October 2001). "Engineering designations of national historic significance" (PDF). Engineering Institute of Canada. Archived from the original (PDF) on 27 April 2016. Retrieved 20 January 2017.
- Old, Colin; Frood, Peter (30 August 2008). "MP Stanton celebrates the historical significance of Canal Lake Arch Bridge" (Press release). Parks Canada. Retrieved 20 January 2017.
- "Concrete Arch Bridges" (PDF). Historic Bridge Context Report: Concrete Bridges. Maryland Department of Transportation. Retrieved 20 January 2017.
- "Canal Lake Arch Bridge national historic site of Canada". Backgrounder. Parks Canada. Retrieved 20 January 2017.
- "Canal Lake Concrete Arch Bridge National Historic Site of Canada". Canadian Register of Historic Places. Parks Canada. Retrieved 20 January 2017.
- "Canal Lake Concrete Arch Bridge National Historic Site of Canada". Parks Canada. Retrieved 20 January 2017.