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Footbridge
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A footbridge or pedestrian bridge is a bridge designed for pedestrians and in some cases cyclists and horse riders, rather than vehicular traffic. An enclosed footbridge between two buildings is sometimes known as a skyway. Bridges providing for both pedestrians and cyclists are often referred to as greenbridges and form an important part of sustainable transport movement towards more sustainable cities.
Footbridges are often situated to allow pedestrians to cross water or railways in areas where there are no nearby roads to necessitate a road bridge, They are also located across roads to let pedestrians cross safely without slowing down the traffic.
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A footbridge or pedestrian bridge is a bridge designed for pedestrians and in some cases cyclists and horse riders, rather than vehicular traffic. An enclosed footbridge between two buildings is sometimes known as a skyway. Bridges providing for both pedestrians and cyclists are often referred to as greenbridges and form an important part of sustainable transport movement towards more sustainable cities.
Footbridges are often situated to allow pedestrians to cross water or railways in areas where there are no nearby roads to necessitate a road bridge, They are also located across roads to let pedestrians cross safely without slowing down the traffic. The latter is a type of pedestrian separation structure, examples of which are particularly found near schools, to help prevent children running in front of moving cars.
Small footbridges can also be used for a
technical effect in ornamental gardens.
Types of footbridge (which are not also types of road bridge) include:
Footbridges can also be built in the same ways as road or rail bridges; particularly suspension bridges and beam bridges. Some former road bridges have had their traffic diverted to alternative crossings and have become pedestrian bridges; examples in the UK include The Iron Bridge at Ironbridge, Shropshire, the Old Bridge at Pontypridd and Windsor Bridge at Windsor, Berkshire.
Most footbridges are equipped with guard rails to reduce the risk of pedestrians falling. Where they pass over busy roads or railways, they may also include a fence or other such barrier to prevent pedestrians from jumping, or throwing projectiles onto the traffic below.
Examples
 - The Bank Bridge and the Bridge of Four Lions in Saint Petersburg
- The Capilano Suspension Bridge in British Columbia
- The Chain of Rocks Bridge near St. Louis, Missouri
- The Davenport Skybridge in Davenport, Iowa
- The Esplanade Riel in Winnipeg, Manitoba
- The Gateshead Millennium Bridge
- The Goodwill Bridge at Brisbane, Australia
- The Ha'penny Bridge in Dublin, Ireland
- The Bob Kerrey Pedestrian Bridge, Omaha, Nebraska
- The Jade Belt Bridge in the Summer Palace in Beijing
- The Kingsgate Bridge in Durham, England
- The Millennium Bridge and the high-level walkways in Tower Bridge in London
- The Newport Southbank Bridge between Newport, Kentucky and Cincinnati, Ohio
- The Pont des Arts in Paris
- The Ponte Milvio in Rome
- The Ponte Sant'Angelo in Rome
- The Pushkinsky and Bogdan Khmelnitsky Pedestrian bridges in Moscow
- The Corktown Footbridge in Ottawa
- The Rolling Bridge at Paddington Basin, London
- The Southbank footbridge in Southbank, Victoria
- The Shelby Street Bridge in Nashville, Tennessee
- The Tournament Bridge
- The pedestrian walkway over the Tropicana - Las Vegas Boulevard intersection in Las Vegas, Nevada
- The Waco Suspension Bridge in Waco, Texas
- The Webb bridge in Melbourne Docklands
- The Walnut Street Bridges in Harrisburg, Pennsylvania and Chattanooga, Tennessee
- The Willimantic Footbridge in Willimantic, Connecticut
Railways
It was originally usual for passengers to cross from one railway platform to another by stepping over the tracks, but from the mid-nineteenth century onwards safety has demanded the provision of a footbridge (or underpass) at busier places.
Design
Design of footbridges normally follows the same principles as for other bridges. However, because they are normally significantly lighter than vehicular bridges, they are more vulnerable to vibration and therefore dynamics effects are often given more attention in design. International attention has been drawn to this issue in recent years by problems on the Pont de Solférino in Paris and the Millennium Bridge in London.
To ensure footbridges are accessible to disabled and other mobility-impaired people, careful consideration is also given to provision of access lifts or ramps, as required by relevant legislation (e.g. Disability Discrimination Act 1995 in the UK).
Catwalk
Narrow footbridges or walkways high in the air to allow workers access to parts of a structure otherwise difficult to reach are referred as catwalks or cat walks. Such catwalks are located above a stage (theater catwalk) in a theater, between parts of a building, cantilevered along the side of a bridge, on the outside of any large storage tank in a refinery or elsewhere etc. The walkway on the outside (top) of a railroad cars such as boxcars, before air brakes came into use, or on top of some covered hopper cars is also called a catwalk . With the exception of those on top of railroad cars, catwalks are equiped with railings or handrails.
See also
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