Bridge 11, also known as the Allanburg Bridge, is a

vertical-lift bridge A vertical-lift bridge or just lift bridge is a type of movable bridge in which a span rises vertically while remaining parallel with the deck. The vertical lift offers several benefits over other movable bridges such as the bascule and swin ...

over the

Welland Canal The Welland Canal is a ship canal in Ontario, Canada, connecting Lake Ontario and Lake Erie. It forms a key section of the St. Lawrence Seaway and Great Lakes Waterway. Traversing the Niagara Peninsula from Port Weller in St. Catharines t ...

within the City of

Thorold Thorold is a city in Ontario, Canada, located on the Niagara Escarpment. It is also the seat of the Regional Municipality of Niagara. The Welland Canal passes through the city, featuring lock 7 and the Twin Flight Locks. History The first su ...

and community of

Allanburg, Ontario Allanburg is a community within the City of Thorold, Ontario, Canada. It is located on the Welland Canal and Highway 20, both important transportation routes through the Niagara Peninsula. The two cross at a vertical-lift bridge, numbered as Br ...

, Canada. The location was used for the

groundbreaking Groundbreaking, also known as cutting, sod-cutting, turning the first sod, or a sod-turning ceremony, is a traditional ceremony in many cultures that celebrates the first day of construction for a building or other project. Such ceremonies are o ...

ceremony for the canal. It was constructed and completed in 1930. The bridge carries Hwy 20 connecting

Niagara Falls Niagara Falls () is a group of three waterfalls at the southern end of Niagara Gorge, spanning the border between the province of Ontario in Canada and the state of New York in the United States. The largest of the three is Horseshoe Falls, ...

to Fonthill. The bridge has a main span. It was designed by Harrington, Howard & Ash, the predecessor of

HNTB HNTB Corporation is an American infrastructure design firm. Founded in 1914 in Kansas City, Missouri, HNTB began with the partnership made by Ernest Emmanuel Howard with the firm Waddell & Harrington, founded in 1907. Considered as one of the m ...

. It was rehabilitated in 2001 and is a

through-truss A truss bridge is a bridge whose load-bearing superstructure is composed of a truss, a structure of connected elements, usually forming triangular units. The connected elements (typically straight) may be stressed from tension (mechanics), tensi ...

with clearance for shipping. 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."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.

References

External links

*{{Commons category-inline, Allanburg Bridge Road bridges in Ontario Vertical lift bridges in Canada Welland Canal Bridges completed in 1930