Footbridge

=== Catwalk ===

=== Catwalk ===

Narrow footbridges or walkways to allow workers access to parts of a structure otherwise difficult to reach are referred as '''catwalks''' or '''cat walks'''.{{Cite web |url=http://www.boothkoskoff.com/wp-content/uploads/2013/01/leavitt2.pdf |title=Negligence Petroleum storage tank exploded |date=July 2000 |access-date=2013-09-01 |archive-date=2022-09-29 |archive-url=https://web.archive.org/web/20220929213342/http://www.boothkoskoff.com/wp-content/uploads/2013/01/leavitt2.pdf |url-status=dead }} Such catwalks are located above a stage ([[Catwalk (theater)|theater catwalk]]) in a theater, between parts of a building, along the side of a bridge, on the inside of a tunnel, on the outside of any large [[storage tank]] in a [[Oil refinery|refinery]] or elsewhere, etc. The walkway on the outside (top) of a [[railroad car]]s such as [[boxcar]]s, before [[railway air brake|air brakes]] came into use, or on top of some [[covered hopper]] cars is also called a '''catwalk'''.{{cite web|url=http://www.webster-dictionary.net/definition/catwalk|title=catwalk|work=webster-dictionary.net|access-date=10 April 2015}} With the exception of those on top of railroad cars, catwalks are equipped with [[Guard rail|railings]] or [[handrail]]s.

Narrow footbridges or walkways to allow workers access to parts of a structure otherwise difficult to reach are referred to as '''catwalks''' or '''cat walks'''.{{Cite web |url=http://www.boothkoskoff.com/wp-content/uploads/2013/01/leavitt2.pdf |title=Negligence Petroleum storage tank exploded |date=July 2000 |access-date=2013-09-01 |archive-date=2022-09-29 |archive-url=https://web.archive.org/web/20220929213342/http://www.boothkoskoff.com/wp-content/uploads/2013/01/leavitt2.pdf |url-status=dead }} Such catwalks are located above a stage ([[Catwalk (theater)|theater catwalk]]) in a theater, between parts of a building, along the side of a bridge, on the inside of a tunnel, on the outside of any large [[storage tank]] in a [[Oil refinery|refinery]] or elsewhere, etc. The walkway on the outside (top) of a [[railroad car]]s such as [[boxcar]]s, before [[railway air brake|air brakes]] came into use, or on top of some [[covered hopper]] cars is also called a '''catwalk'''.{{cite web|url=http://www.webster-dictionary.net/definition/catwalk|title=catwalk|work=webster-dictionary.net|access-date=10 April 2015}} With the exception of those on top of railroad cars, catwalks are equipped with [[Guard rail|railings]] or [[handrail]]s.

== Design ==

== Design ==

The record for the longest footbridge in the world was claimed by then [[New York (state)|New York State]] Governor David Paterson in a 2009 article about [[Poughkeepsie Bridge|the walkway]] across the [[Hudson River]] at [[Poughkeepsie, New York]].{{cite news |title=Walkway opens, thousands explore unique state park |newspaper=[[Poughkeepsie Journal]] |location=[[Poughkeepsie, New York]] |date=October 3, 2009 |url=http://www.poughkeepsiejournal.com/apps/pbcs.dll/article?AID=/20091003/QUAD/91003006 |access-date=2009-10-06 |url-status=dead |archive-url=https://web.archive.org/web/20150402111932/http://www.poughkeepsiejournal.com/apps/pbcs.dll/article?AID=%2F20091003%2FQUAD%2F91003006 |archive-date=April 2, 2015 }} On July 22, 2017, the [[Champlain Bridge Ice Structure]] ({{langx|fr|l'Estacade Champlain}}), a bridge built for bicycles and foot traffic only to parallel the [[Champlain Bridge, Montreal (2019–present)|Champlain Bridge]] from [[Brossard, Quebec]] west to [[Nun's Island]] (L'ile Des Soeurs) & the Island of Montreal, was measured by a calibrated device as being {{convert|7,512|ft|km mi}} long starting and ending where the treadway rises above the ground and a pedestrian could access the bridge as close as possible to the St Lawrence River.

The record for the longest footbridge in the world was claimed by then [[New York (state)|New York State]] Governor David Paterson in a 2009 article about [[Poughkeepsie Bridge|the walkway]] across the [[Hudson River]] at [[Poughkeepsie, New York]].{{cite news |title=Walkway opens, thousands explore unique state park |newspaper=[[Poughkeepsie Journal]] |location=[[Poughkeepsie, New York]] |date=October 3, 2009 |url=http://www.poughkeepsiejournal.com/apps/pbcs.dll/article?AID=/20091003/QUAD/91003006 |access-date=2009-10-06 |url-status=dead |archive-url=https://web.archive.org/web/20150402111932/http://www.poughkeepsiejournal.com/apps/pbcs.dll/article?AID=%2F20091003%2FQUAD%2F91003006 |archive-date=April 2, 2015 }} On July 22, 2017, the [[Champlain Bridge Ice Structure]] ({{langx|fr|l'Estacade Champlain}}), a bridge built for bicycles and foot traffic only to parallel the [[Champlain Bridge, Montreal (2019–present)|Champlain Bridge]] from [[Brossard, Quebec]] west to [[Nun's Island]] (L'ile Des Soeurs) & the Island of Montreal, was measured by a calibrated device as being {{convert|7,512|ft|km mi}} long starting and ending where the treadway rises above the ground and a pedestrian could access the bridge as close as possible to the St Lawrence River.

[[Bridge of National Unity (Hungary)|Bridge of National Unity]], in Hungary, is the longest pedestrian suspension bridge, as of 2024, and before [[Sky Bridge 721]] was the longest which spans in the [[Králický Sněžník]] mountain in the Czech Republic, opened in May 2022. The {{convert|721|m|ft}} bridge hangs {{convert|95|m|ft}} above ground.{{cite web |title=Sky Bridge 721|url=https://www.dolnimorava.cz/en/sky-bridge-721|publisher=Dolní Morava|access-date=2022-06-17}}

[[Bridge of National Unity (Hungary)|Bridge of National Unity]], in Hungary, is the longest pedestrian suspension bridge, as of 2024, and before [[Sky Bridge 721]] was the longest which spans the [[Králický Sněžník]] mountain in the Czech Republic, opened in May 2022. The {{convert|721|m|ft}} bridge hangs {{convert|95|m|ft}} above ground.{{cite web |title=Sky Bridge 721|url=https://www.dolnimorava.cz/en/sky-bridge-721|publisher=Dolní Morava|access-date=2022-06-17}}

The [[United Wholesale Mortgage]] Pedestrian Bridge in [[Pontiac, Michigan]] is the longest enclosed pedestrian bridge, completed on October 1, 2021. The 305 metre bridge was part of a $250 million project to UWM's offices, which converted a former warehouse and utilized shipping containers for offices, corridors, and other spaces.{{Cite web|date=1 February 2022|title=Yea 2021 – United Wholesale Mortgage Pedestrian Bridge & Office Renovation|url=https://csengineermag.com/yea-2021-united-wholesale-mortgage-pedestrian-bridge-office-renovation/|access-date=18 February 2022|website=Civil + Structural Engineer Media}}

The [[United Wholesale Mortgage]] Pedestrian Bridge in [[Pontiac, Michigan]] is the longest enclosed pedestrian bridge, completed on October 1, 2021. The 305 metre bridge was part of a $250 million project to UWM's offices, which converted a former warehouse and utilized shipping containers for offices, corridors, and other spaces.{{Cite web|date=1 February 2022|title=Yea 2021 – United Wholesale Mortgage Pedestrian Bridge & Office Renovation|url=https://csengineermag.com/yea-2021-united-wholesale-mortgage-pedestrian-bridge-office-renovation/|access-date=18 February 2022|website=Civil + Structural Engineer Media}}

The Walkway Over The Hudson footbridge was originally built for trains, it was recently restored as a pedestrian walkway. The footbridge has a total length of {{convert|2063|m|ft}}. Before it was demolished in 2011, the [[Hornibrook Bridge]] which crossed [[Bramble Bay]] in [[Queensland]], Australia was longer than the Poughkeepsie Bridge at {{convert|2.684|km|mi|abbr=on}}.{{cite web|url=http://northside-chronicle.whereilive.com.au/your-news/story/final-curtain-for-the-hornibrook-highway/ |title=Final curtain for the Hornibrook Highway|archive-url= https://web.archive.org/web/20110706113432/http://northside-chronicle.whereilive.com.au/your-news/story/final-curtain-for-the-hornibrook-highway/|archive-date= 2011-07-06}}

The Walkway Over The Hudson footbridge was originally built for trains and was later restored as a pedestrian walkway. The footbridge has a total length of {{convert|2063|m|ft}}. Before it was demolished in 2011, the [[Hornibrook Bridge]] which crossed [[Bramble Bay]] in [[Queensland]], Australia was longer than the Poughkeepsie Bridge at {{convert|2.684|km|mi|abbr=on}}.{{cite web|url=http://northside-chronicle.whereilive.com.au/your-news/story/final-curtain-for-the-hornibrook-highway/ |title=Final curtain for the Hornibrook Highway|archive-url= https://web.archive.org/web/20110706113432/http://northside-chronicle.whereilive.com.au/your-news/story/final-curtain-for-the-hornibrook-highway/|archive-date= 2011-07-06}}

== In developing countries ==

== In developing countries ==