Humber Bay Arch Bridge

Humber Bay Arch Bridge

Infobox Bridge
bridge_name = Humber Bay Arch Bridge


caption = Humber Bay Arch Bridge
official_name =
carries = pedestrian traffic
crosses = Humber River
locale = Toronto
maint = Municipality of Toronto Transportation Departmentcite book
last = American Society of Civil Engineers
first =
authorlink =
coauthors =
title = Bridges 2008
publisher = ASCE
date = 2007
location =
pages = July bridge
url =
doi =
id =
isbn = 978-0-7844-0945-9]
id =
designer = Montgomery and Sisam Architects
design = double-arch bridge
material = steel tubesstructurae|id=s0009474|title=Humber River Pedestrian-Bicycle Bridge]
spans = 1
pierswater = 0
mainspan = convert|100|m
length = convert|130|m
width =
height = convert|21.3|m above grade
load =
clearance =
below =
traffic =
begin =
complete = 1994
open =
closed =
toll =
map_cue =
map_

map_text =
map_width =
coordinates = coord|43.631896|N|79.471246|W|display=inline,title
lat =
long =

The Humber Bay Arch Bridge (also known as the Humber River Arch Bridge, the Humber River Pedestrian Bridge, or the Gateway Bridge) is a pedestrian and bicycle double Compression arch suspended-deck bridge south of Lake Shore Boulevard West in Toronto, Canada. Completed in the mid-1990s, the bridge is convert|139|m in length, with a clear span of convert|100|m over the mouth of the Humber River to protect the environmental integrity of the waterway.

Design

The bridge is constructed of two convert|1200|mm diameter high-strength steel pipes, bent into twin arches that rise convert|21.3|m above grade, and suspend the deck by way of 44 stainless-steel hangars, each convert|50|mm in diameter. The foundation consists of concrete-filled caissons which go down convert|30|m below grade to the bedrock.

Designed in 1994 by Montgomery and Sisam Architects of Toronto, it was constructed by Delcan Corporation, and is the recipient of numerous local architectural, design and engineering awards.The bridge connects the former municipalities of "Old Toronto" and Etobicoke (both now part of the amalgamated City of Toronto) along an ancient aboriginal trading route along the shore of Lake Ontario, and thus features design elements and decorations such as carved turtles and canoes that evoke this native heritage.

The bridge forms an important pedestrian and recreational link, and carries the Waterfront Trail, a multi-use pathway that will eventually parallel the entire north shore of Lake Ontario. The Toronto section is known as the Martin Goodman Trail, and is one of the most popular pedestrian and cycling routes in the city.

Previous bridge

The original bridge built on this site fell in 1978.Fact|date=July 2008 This design is based on the original.

Image gallery

References

* [http://www.architecture.uwaterloo.ca/faculty_projects/terri/steel/humber.html Steel Project Case Study Gallery]


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