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Ford (crossing)
A ford is a shallow section of a river or stream where it may be crossed by wading, on horseback, or inside a vehicle. A ford may occur naturally or be constructed. Fords may be impassable during high water. A low-water crossing is a low bridge that allows crossing over a river or stream when water is low but may be treated as a ford when the river is high and water covers the crossing.
The word ford is both a noun (describing the water crossing itself) and a verb (describing the act of crossing a ford).
A ford is a much cheaper form of river crossing than a bridge, and it can transport much more weight than a bridge, but it may become impassable after heavy rain or during flood conditions. A ford is therefore normally only suitable for very minor roads (and for paths intended for walkers and horse riders etc.). Most modern fords are usually shallow enough to be crossed by cars and other wheeled or tracked vehicles (a process known as "fording"). Fords may be accompanied by stepping stones for pedestrians.
The United Kingdom has more than 2,000 fords, and most of them do not have any way of stopping vehicles from crossing when the water makes them impassable. According to The AA, many flood-related vehicle breakdowns within the UK are at fords.
In New Zealand, fords are a normal part of roads, including, until 2010, along State Highway 1 on the South Island's east coast. In dry weather, drivers become aware of a ford by crunching across outwash detritus on the roadway. A Bailey bridge may be built off the mainline of the road to carry emergency traffic during high water.
At places where the water is shallow enough, but the material on the riverbed will not support heavy vehicles, fords are sometimes improved by building a submerged concrete floor. In such cases, a curb (kerb) is often placed on the downstream side to prevent vehicles from slipping off, as the growth of algae will often make the slab very slippery. Fords may be also equipped with a post indicating the water depth, so that users may know if the water is too deep to attempt to cross. Some have an adjacent footbridge so that pedestrians may cross dryshod.
Fords were sometimes the only way to cross bodies of water, such as at the Milkhouse at Rock Creek in Washington DC. However, the regular use of this ford has been superseded by bridges. The crossing remained open for "adventurous" drivers until 1996, when the National Park Service closed the ford to cars.
A road running below the water level of a stream or river is often known as a "watersplash". It is a common name for a ford or stretch of wet road in some areas, and is sometimes also used to describe tidal crossings. They have become a common feature in rallying courses. Some enthusiasts seek out and drive through these water features, recording details (such as wave created, position, and access) on dedicated websites.
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Ford (crossing)
A ford is a shallow section of a river or stream where it may be crossed by wading, on horseback, or inside a vehicle. A ford may occur naturally or be constructed. Fords may be impassable during high water. A low-water crossing is a low bridge that allows crossing over a river or stream when water is low but may be treated as a ford when the river is high and water covers the crossing.
The word ford is both a noun (describing the water crossing itself) and a verb (describing the act of crossing a ford).
A ford is a much cheaper form of river crossing than a bridge, and it can transport much more weight than a bridge, but it may become impassable after heavy rain or during flood conditions. A ford is therefore normally only suitable for very minor roads (and for paths intended for walkers and horse riders etc.). Most modern fords are usually shallow enough to be crossed by cars and other wheeled or tracked vehicles (a process known as "fording"). Fords may be accompanied by stepping stones for pedestrians.
The United Kingdom has more than 2,000 fords, and most of them do not have any way of stopping vehicles from crossing when the water makes them impassable. According to The AA, many flood-related vehicle breakdowns within the UK are at fords.
In New Zealand, fords are a normal part of roads, including, until 2010, along State Highway 1 on the South Island's east coast. In dry weather, drivers become aware of a ford by crunching across outwash detritus on the roadway. A Bailey bridge may be built off the mainline of the road to carry emergency traffic during high water.
At places where the water is shallow enough, but the material on the riverbed will not support heavy vehicles, fords are sometimes improved by building a submerged concrete floor. In such cases, a curb (kerb) is often placed on the downstream side to prevent vehicles from slipping off, as the growth of algae will often make the slab very slippery. Fords may be also equipped with a post indicating the water depth, so that users may know if the water is too deep to attempt to cross. Some have an adjacent footbridge so that pedestrians may cross dryshod.
Fords were sometimes the only way to cross bodies of water, such as at the Milkhouse at Rock Creek in Washington DC. However, the regular use of this ford has been superseded by bridges. The crossing remained open for "adventurous" drivers until 1996, when the National Park Service closed the ford to cars.
A road running below the water level of a stream or river is often known as a "watersplash". It is a common name for a ford or stretch of wet road in some areas, and is sometimes also used to describe tidal crossings. They have become a common feature in rallying courses. Some enthusiasts seek out and drive through these water features, recording details (such as wave created, position, and access) on dedicated websites.