Talk:List of longest arch bridge spans

Almöbron / Almö Bridge
Actually this bridge was made of steel AND concrete. Refer to your link to brueckenweb.de and also to local news of those days.

Nchiriano (talk) 15:10, 3 March 2012 (UTC)Nchiriano

Chaotainmen Bridge
The Chaitainment Bridge is listed as being 17.4 trillion meters. Unless it's connecting Pluto to the sun, I think that might be incorrect. Can someone confirm this? — Preceding unsigned comment added by 75.32.10.150 (talk) 23:47, 16 October 2011 (UTC)

Unclear?
Does the table mean list of arch bridges by length of span? I assume so, since it sure isn't by the column labeled length. If so, shouldn't the wording of the first sentence say that, instead of just list of arch bridges by length? Gzuckier 20:06, 26 April 2007 (UTC)


 * I think it is explained in leading section. Span lenght is chosen as the closest to length of main arch. Leading section can be reprased to explain it better. Maybe article name can be List of largest arch bridges, but till now nobody have problem with that. --Jklamo 20:34, 26 April 2007 (UTC)

List reformat
I am working on the list reformat. You can help me on User:Jklamo/List of the largest arch bridges or suggest there another format changes. --Jklamo 17:31, 28 May 2007 (UTC)

Missed Bridge
This bridge should be included in the list. It is the Fred Redmon Bridge in Washington State.

http://www.historylink.org/essays/output.cfm?file_id=7268

In addition to the above, the Newark Bay Bridge, with a main span of 1,270 ft, was also excluded. —Preceding unsigned comment added by 96.250.246.19 (talk) 21:17, 26 October 2010 (UTC)


 * Grümpentalbrücke, 270 m
 * Talbrücke Froschgrundsee, 270
 * Hammer Eisenbahnbrücke, 250 m --188.98.12.103 (talk) 08:46, 14 November 2010 (UTC)

Overall length
This list is shaping up nicely.

While working on List of largest suspension bridges it became clear that there is no agreed upon way to measure the overall length of a bridge. Some are measured from the beginning of the first span to the end of the last. Some are from the beginning of the first ramp to the end of the last. Some are from the beginning of the construction project to the end. Some are from the last exit on the road before the bridge to the first one after. Sometimes you can find out how the length was measured. Sometimes the information is not available. This is not a problem with the lengths of spans.

Since there is no agreed upon convention for overall length, there isn't much value in comparing all these apples and oranges (pears, strawberries, etc...) on a list. If they remain, there should be a note of explanation, but I'd advocate removing the entire column. I'd rather see the location of the bridge in more detail (not just the city). -- &#x2611; Sam uelWantman 02:20, 2 June 2007 (UTC)


 * Yes, overall lenght number is sometime incomparable. I prefer explanation note than removing all column. I'd welcomed to see more detailed location than country. Maybe two more columns Crosses and City (Village) will be the best. --Jklamo 15:38, 4 June 2007 (UTC)

Banghwa Bridge
Data for Banghwa Bridge are sourced from there (i.e. from there . If somenoe has another numbers for that bridge, show it. --Jklamo 20:10, 8 June 2007 (UTC)


 * Hmm, that source claimed that 540m is lenght of all 5 spans and that  real lenght of arch span. I will correct it. --Jklamo 20:15, 8 June 2007 (UTC)

Removed section of table
The following chunk was commented out, presumably these bridges are too short.


 * Second cut-off.--Glabb (talk) 16:51, 24 January 2017 (UTC)

NOT UPDATED LIST, MANY MISSING BRIDGES


 * Structurae.com, International Database for Civil and Structural Engineering


 * HighestBridges.com, Sakowski, Eric (Wiki)


 * Others references

Wuchaohe Bridge, 120 m, stone !
 * Rich Farmbrough, 13:34 14 September 2007 (GMT).
 * Some modifications made on this list --Glabb (talk) 07:10, 31 July 2010 (UTC)
 * We should probably put some of these back. I just checked Arrigoni Bridge on Structurae, and found the arches over 200m. - Denimadept (talk) 21:41, 30 June 2011 (UTC)

Update on french list
Hello, the french version of this list (Liste des ponts en arc les plus longs) have been updated with many corrections and new bridges added. It was difficult to work on the Mediawiki code for this list and there was some problems with the "Rank" column so we decided to work on an excel file with a manual numbering. The transposition is very easy with the "Concatenation" function, you can put the code on the modification page with a simple copy/paste.

The XLS file is available on this page : ledefi.pagesperso-orange.fr/Ponts2.htm (see Ponts en arc les plus grands].

There is unfortunately a little problem between the english and the french version : bridges names and locations haven't the same traduction (for example, the first one Chaotianmen Bridge is translated into Pont de Chaotianmen and China is translated into Chine, otherwise we could use the same xls file for two languages.

You can read more explanations on the discussion page of french version of this list.

Also, a wikimedia category have been created with all bridges present on this list : Category:Longest arch bridges

--Glabb (talk) 07:03, 31 July 2010 (UTC) (Utilisateur:Glabb and discussion page :Discussion utilisateur:Glabb)

Yet another bridge missing
Nanjing Dashengguan bridge is missing, it is located in Nanjing of China over yangtze river. The bridge's total length is 9272M with two main steel arches of 336M each. It is part of the Shanghai-Beijing high speed rail system, it has total 4 high speed rail tracks and 2 metro tracks. the construction of the bridge was completed in October 2009, and it will be open to traffic in 2011 along with the Shanghai-Beijing high speed railway. http://news.yorkbbs.ca/world/2009-09/337839.html —Preceding unsigned comment added by 116.229.67.40 (talk) 06:15, 12 December 2010 (UTC)
 * So add it. - Denimadept (talk) 06:32, 12 December 2010 (UTC)

Requested move

 * The following discussion is an archived discussion of the proposal. Please do not modify it. Subsequent comments should be made in a new section on the talk page. No further edits should be made to this section. 

The result of the proposal was move per request, and without the the.--Fuhghettaboutit (talk) 02:34, 7 July 2011 (UTC)

List of the largest arch bridges → List of the longest arch bridges – It seems clear that "largest" actually means "longest". If at the same time we want to delete the word "the", and/or somehow include the word "span" (per List of longest suspension bridge spans) to make it clear in what sense "longest" is used, then fine. 86.179.115.82 (talk) 20:50, 30 June 2011 (UTC)


 * Agree per OP. - Denimadept (talk) 20:58, 30 June 2011 (UTC)
 * Support: First sentence of the article says it. –CWenger ( ^ •  @ ) 21:14, 30 June 2011 (UTC)
 * Move to List of longest arch bridge spans. "The" is not needed and is not usual on Wikipedia. -- Necrothesp (talk) 13:12, 1 July 2011 (UTC)
 * The above discussion is preserved as an archive of the proposal. Please do not modify it. Subsequent comments should be made in a new section on this talk page. No further edits should be made to this section.

CFST
No one but the most technical person reading this would have any idea what "CFST" is. Articles are supposed to be written in language that the layperson can understand, avoiding technical jargon. I had to go to Google, outside Wikipedia, to find CFST stands for concrete filled steel tubular, and is a method of hardening the footings, and pillars, against earthquakes. Someone with knowledge should create on article titled, Concrete filled steel tubular. There is a "CFST" article in Wikipedia, but is is about a unit of the French Army. Nick Beeson (talk) 15:27, 19 November 2014 (UTC)


 * Good point. You know more about it than I do, anyway.  Get busy. :-D  - Denimadept (talk) 21:56, 19 November 2014 (UTC)

ENR article as a possible source
Haven't read this article yet, but making note here (with archive link) for potential use as a source. - ¢Spender1983 (talk) 20:53, 8 January 2015 (UTC) 


 * But the Top10 of arch bridges in the world have been changed, Zhaoqing Xijiang Railway Bridge with 450m-span is already opened in December, 2014. --千里走单骑 (talk) 01:46, 29 January 2015 (UTC)


 * I've looked for an English language source to say this bridge opened, but haven't found one. - ¢Spender1983 (talk) 16:54, 10 February 2015 (UTC)

Rockville Bridge, Harrisburg, Pennsylania - Does stone arch qualify for the list?
I'm curious as to whether the Rockville Bridge in Pennsylvania qualifies for this list. It was built in 1902, and at 3,820 feet (1,164 m), it remains the longest stone arch bridge in the world. Allreet (talk) 17:38, 2 November 2015 (UTC)
 * This list measures span not total length. Rockville's longest span in only 21m ShakyIsles (talk) 07:32, 3 November 2015 (UTC)
 * Note that there's a separate List of longest masonry arch bridge spans but it starts with 50m (164 ft). Salmin (talk) 07:48, 3 November 2015 (UTC)

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Cut-off
I am afraid the list is too long to be maintained up-to-date. I suggest cut-off 300m.--Jklamo (talk) 09:26, 18 January 2017 (UTC)
 * I don't find any recommendation about number of entries on Wikipedia lists, we can find lists with thousands of entries, even some featured lists have more than one hundred (like List of tallest buildings in New York City). There are about 120 bridges here and I think we can add about 20 new forgotten bridges. If we cut off to 300m, it will be only about 60 bridges. Also, lists about suspension, cable-satyed and suspension have already been cut-off.--Glabb (talk) 11:09, 19 January 2017 (UTC)
 * There is no rule about number of entries, but it desirable to keep lists complete and up-to-date. That is maybe possible in case of List of tallest buildings in New York City, as it is not so dynamic and currently that list has 97 watchers and 22 watchers who visited recent edits. That is considerable workforce allowing keeping that list up-to-date.
 * This list is a much more dynamic and workforce is more limited. So at the moment the list is not complete and tens of bridges is missing. Keeping long, incomplete and not up-to-date list does not make sense for me.--Jklamo (talk) 12:22, 20 January 2017 (UTC)
 * Ok to cut-off the list to 300 meters but just wait a week or two, I've almost finished User:Glabb/List of highest bridges and I think I can update this one too and put of the rest here in the talk page (a secondary list)(I've got list of bridges 250 to 200 meters too).
 * Suspension bridges list is shortened to 500 meters and is almost updated, it's ok, but for cable-stayed bridges I will prefer cut-off to 450 meters to keep about 70 finished bridges (I think cable-stayed bridges is the less updated list).
 * --Glabb (talk) 22:32, 20 January 2017 (UTC)


 * I add the abbreviation "CFST" in design column so it could be interesting to have an introducing like: CFST stands for "Concrete Filled Steel Tubular" where steel main ribs are filled with concrete to rigidify the structure.
 * The Template:Structurae doesn't work very well since all Structurae's links have changed so I didn't add news references but this article needs more citations.
 * It's strange that the two Van Brienenoordbrug have 287.5m and 305m spans although they seem very identical. Website db.bruggenstichting.nl reference them with 287m and 300m spans, according to photo 1991 and photo 1964, they weren't build with the same method (maybe different abutments) but this difference of 17m looks enormous for me. (a view under the bridge).
 * About History of largest spans, I'm not sure of the veracity of this part, for example the Pons Aemilius finished in 142 BC according to the list, it's reported that the most recent design of the bridge was finished in 142 BC but another bridge in the same location existed before. Also, if romans were able to construct wooden formworks about 24 meters span in 142 BC, I think that not well-known wooden arch bridges would exist before this date. Maybe it's better to remove the four last bridges because it's only a "wikipedia's theory".
 * Also, this last part is very clearer without photos and it's a secondary list, this is not the main subject of the page.--Glabb (talk) 16:49, 24 January 2017 (UTC)

History of largest spans
I've removed all photos in this part for a clearer view of timeline, and the four last bridges as there's no proof of these records.

The book in citation said for Caravan Bridge that "it's the oldest in existence but this is difficult to justify", "Ponte di Nona is one of the two oldest dated Roman bridges" and nothing for Rhodes Footbridge and Arkadiko Bridge (the last one is said to be the oldest arch bridge still in existence and use, not a span record). The only first span record given is Pons Aemilius. I put these four last bridges here as long there're no better informations about them.

Just a remark, Trajan's Bridge is a wooden arch bridge who breack span record with 51 meters and 1135 meters long, for me it's strange that there're no such bridges with span between 32 and 51 meters constructed before.--Glabb (talk) 21:03, 30 January 2017 (UTC)

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Žďákov Bridge (no. 27 in the list)
A good source is https://www.casopisstavebnictvi.cz/ctyricet-let-zdakovskeho-mostu_A228_I06-7_07 It is in Czech, but the drawings are selfexplanatory. Žďákov Bridge has a span of 330 m between the hinges. If you include the abutements protruding into the lake, it is more: 26 m (from the centerline of the pillar to the hinge) minus 1/2 of 19.8 m (the size of the foundation) = 16.1 m (the protruding part). Thus, 16.1 + 330 + 16.1 = 362.2 m. It appears that this figure is not quoted in the Czech paper. Structurae and the German list mention 330 m as the span. --AHert (talk) 22:58, 8 February 2018 (UTC)
 * The base is 16m long on the east side so it's
 * (26-19.8/2)+330+(26-16/2)=364.1m
 * I think most of multiple span bridges and some simple span bridges here have values taken from the axes. Until there're no detailed plans on the web of all these bridges, it's difficult to determinate the exact span of each one.--Glabb (talk) 12:14, 28 March 2020 (UTC)

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 * DaxiaojingBridgeByHighestBridges.jpg
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 * NajieheRailwayByHighestBridges.jpg
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Margaret McDermott Bridge
The Margaret McDermott Bridge is not a real arch bridge, the main part is a conventional concrete pier-and-beam freeway bridge and the arch part is only for bikes and pedestrians but there're some intermediate supports, so the steel arch is decorative and is no 343m span

Margaret McDermott Is not Much of a Suspension Bridge, Barely a Bridge at All on dallasobserver.com

Horseshoe-1-e1534174224436.jpg better view of the underside of the deck on genesisstructures.com. --Glabb (talk) 10:59, 28 March 2020 (UTC)

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