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Floodway (road)

A floodway is a flood plain crossing for a road, built at or close to the natural ground level.[1] It is similar to a causeway, but crosses a shallow depression that is subject to flooding, rather than a waterway or tidal water.[2]

A floodway on a gravel road

They are designed to be submerged under water, but withstand such conditions. Typically floodways are used when the flood frequency or time span is minimal, traffic volumes are low, and the cost of a bridge is uneconomic[2][3] – in most cases, in rural areas.


Floodway on Great Northern Highway, Western Australia
Floodway and signs, eastern side of Southern Cross, Western Australia
Floodway (road goes across the photo) in Baja California, Mexico. Note bridge behind it.

See also edit

Notes edit

  1. ^ a b MRWA Waterways Section; BG&E Pty Ltd (24 April 2006). (PDF). Main Roads Western Australia. p. 4. Archived from the original (PDF) on 15 April 2015. Retrieved 15 April 2015. (PDF). Archived from the original (PDF) on 15 April 2015. Retrieved 22 April 2015.{{cite web}}: CS1 maint: archived copy as title (link)
  2. ^ Austroads; Flavell, David; Audora, Henry (1994), Waterway design : a guide to the hydraulic design of bridges, culverts and floodways, Austroads, ISBN 978-0-85588-440-6
  • Department of Transport and Main Roads (March 2010). "Chapter 10 Floodway Design" (PDF). Road Drainage Manual. Queensland Government.[permanent dead link]
  • Lokuge, Weena; Setunge, Sujeeva; Karunasena, Warna (2014). Investigating the performance of floodway in an extreme flood event (PDF). 1st International Conference on Infrastructure Failures and Consequences (ICFC 2014) 16–20 July 2014. Melbourne, Australia.
  • Greene, I.; Lokuge, W.; Karunasena f, W. (2020). Floodway Design Process Revisted (PDF). 25th Australasian Conference on Mechanics of Structures and Materials (ACMSM25), 4–7 December 2018. Brisbane, Australia – via University of Southern Queensland.

External links edit


floodway, road, this, article, about, floodplain, crossings, roads, shallow, waterway, crossings, ford, crossing, areas, that, reserved, flood, flows, floodplain, flood, control, floodway, flood, plain, crossing, road, built, close, natural, ground, level, sim. This article is about floodplain crossings for roads For shallow waterway crossings see Ford crossing For areas that are reserved for flood flows see Floodplain Flood control A floodway is a flood plain crossing for a road built at or close to the natural ground level 1 It is similar to a causeway but crosses a shallow depression that is subject to flooding rather than a waterway or tidal water 2 A floodway on a gravel roadThey are designed to be submerged under water but withstand such conditions Typically floodways are used when the flood frequency or time span is minimal traffic volumes are low and the cost of a bridge is uneconomic 2 3 in most cases in rural areas Floodway on Great Northern Highway Western AustraliaFloodway and signs eastern side of Southern Cross Western AustraliaFloodway road goes across the photo in Baja California Mexico Note bridge behind it See also editFlood control channel Glossary of road transport terms Low water crossingNotes edit Edmonds Leigh 1997 The Vital Link A History of Main Roads Western Australia 1926 1996 Nedlands Western Australia University of Western Australia Press p 184 ISBN 1 875560 87 4 a b MRWA Waterways Section BG amp E Pty Ltd 24 April 2006 Floodway Design Guide PDF Main Roads Western Australia p 4 Archived from the original PDF on 15 April 2015 Retrieved 15 April 2015 Archived copy PDF Archived from the original PDF on 15 April 2015 Retrieved 22 April 2015 a href Template Cite web html title Template Cite web cite web a CS1 maint archived copy as title link Austroads Flavell David Audora Henry 1994 Waterway design a guide to the hydraulic design of bridges culverts and floodways Austroads ISBN 978 0 85588 440 6 Department of Transport and Main Roads March 2010 Chapter 10 Floodway Design PDF Road Drainage Manual Queensland Government permanent dead link Lokuge Weena Setunge Sujeeva Karunasena Warna 2014 Investigating the performance of floodway in an extreme flood event PDF 1st International Conference on Infrastructure Failures and Consequences ICFC 2014 16 20 July 2014 Melbourne Australia Greene I Lokuge W Karunasena f W 2020 Floodway Design Process Revisted PDF 25th Australasian Conference on Mechanics of Structures and Materials ACMSM25 4 7 December 2018 Brisbane Australia via University of Southern Queensland External links edit nbsp This engineering related article is a stub You can help Wikipedia by expanding it vte nbsp This road related article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Floodway road amp oldid 1178675033, wikipedia, wiki, book, books, library,

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