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The bridge has a {{Convert|60.9|m|ft|0|abbr=on}} main span. It was designed by Harrington, Howard & Ash, the predecessor of [[HNTB]]. It was rehabilitated in 2001 and is a [[Truss bridge#Roadbed types|through-truss]] [[vertical-lift bridge]] with {{Convert|36.5|m|ft|1|abbr=on}} clearance for shipping.<ref>{{cite web | url =http://historicbridges.org/bridges/browser/?bridgebrowser=truss/kh20lift/| title =Allanburg Bridge (Welland Canal Bridge #11)| last =Holth| first =Nathan| date =| website =historicbridges.org| publisher =| access-date =November 1, 2015| quote = }}</ref>
The bridge has a {{Convert|60.9|m|ft|0|abbr=on}} main span. It was designed by Harrington, Howard & Ash, the predecessor of [[HNTB]]. It was rehabilitated in 2001 and is a [[Truss bridge#Roadbed types|through-truss]] [[vertical-lift bridge]] with {{Convert|36.5|m|ft|1|abbr=on}} clearance for shipping.<ref>{{cite web | url =http://historicbridges.org/bridges/browser/?bridgebrowser=truss/kh20lift/| title =Allanburg Bridge (Welland Canal Bridge #11)| last =Holth| first =Nathan| date =| website =historicbridges.org| publisher =| access-date =November 1, 2015| quote = }}</ref>


On August 11, 2001, the bridge was struck by the [[MS Windoc (1959)]] when the lift span was lowered before the ship cleared the structure. The ship caught fire. After minor repairs to the bridge, it reopened to vehicular traffic on November 16, 2001.<ref>[http://bst.gc.ca/en/reports/marine/2001/m01c0054/m01c0054.asp "Marine Investigation Report #M01C0054: Striking and Subsequent Fire on Board Bridge 11, Welland Canal and Bulk Carrier Windoc, Welland Canal, Allanburg, Ontario, 11 August 2001."] Transportation Safety Board of Canada, 2005-07-05.</ref>
On August 11, 2001, the bridge was struck by the [[MS Windoc (1959)]] when the lift span was lowered before the ship cleared the structure. The ship caught fire. After minor repairs to the bridge, it reopened to vehicular traffic on November 16, 2001.<ref>[http://bst.gc.ca/en/reports/marine/2001/m01c0054/m01c0054.asp "Marine Investigation Report #M01C0054: Striking and Subsequent Fire on Board Bridge 11, Welland Canal and Bulk Carrier Windoc, Welland Canal, Allanburg, Ontario, 11 August 2001."] {{wayback|url=http://bst.gc.ca/en/reports/marine/2001/m01c0054/m01c0054.asp |date=20121014114410 }} Transportation Safety Board of Canada, 2005-07-05.</ref>


==References==
==References==

Revision as of 10:43, 8 November 2016

Bridge 11

Allanburg Bridge
Coordinates43°04′35″N 79°12′38″W / 43.0764°N 79.2106°W / 43.0764; -79.2106
CarriesMotor vehicles
CrossesWelland Canal
Characteristics
Longest span60.9 m (200 ft)
Clearance below36.5 m (119.8 ft)
History
Engineering design byHarrington, Howard & Ash
Construction endSpring 1930
Location
Map

Bridge 11 (also known as the Allanburg Bridge) is a vertical lift bridge over the Welland Canal within the City of Thorold and community of Allanburg. The location was used for the groundbreaking ceremony for the canal.[1] Constructed in the late 1920s and was completed and placed in commission at opening of navigation in 1930. The bridge carries Hwy 20 connecting Niagara Falls to Fonthill.

The bridge has a 60.9 m (200 ft) main span. It was designed by Harrington, Howard & Ash, the predecessor of HNTB. It was rehabilitated in 2001 and is a through-truss vertical-lift bridge with 36.5 m (119.8 ft) clearance for shipping.[2]

On August 11, 2001, the bridge was struck by the MS Windoc (1959) when the lift span was lowered before the ship cleared the structure. The ship caught fire. After minor repairs to the bridge, it reopened to vehicular traffic on November 16, 2001.[3]

References

  1. ^ "Alanburg, Ontario". exploringniagara.com. Retrieved November 1, 2015.
  2. ^ Holth, Nathan. "Allanburg Bridge (Welland Canal Bridge #11)". historicbridges.org. Retrieved November 1, 2015.
  3. ^ "Marine Investigation Report #M01C0054: Striking and Subsequent Fire on Board Bridge 11, Welland Canal and Bulk Carrier Windoc, Welland Canal, Allanburg, Ontario, 11 August 2001." Archived 2012-10-14 at the Wayback Machine Transportation Safety Board of Canada, 2005-07-05.