Maslenica Bridge (A1): Difference between revisions

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{{Infobox Bridge
{{Infobox_Bridge
|bridge_name=Maslenica Bridge
|image=Old Maslenica bridge2.jpg
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}}
 
'''Maslenica Bridge''' ({{lang-langx|hr|Most Maslenica}},<ref name="HAC-hr-name">{{cite news | newspaper = Croatian Motorways Ltd | language = Croatian | url = http://www.hac.hr/prezentacija-HR.pdf | title = Zagreb - Split Motorway (pp. 6-7) | date = July 18, 2005 | url-status = dead | archiveurl = https://web.archive.org/web/20051014044129/http://www.hac.hr/prezentacija-HR.pdf | archivedate = October 14, 2005 }}</ref> but also known as {{lang-langx|hr|Maslenički most}}) is a {{convert|377.6|m|abbr=on}} long [[reinforced concrete]] [[arch bridge]] spanning the [[MaslenicaNovsko StraitŽdrilo]] strait of the [[Adriatic Sea]], north of [[Zadar]], [[Croatia]], carrying the [[A1 (Croatia)|Croatian A1 motorway]]. It is located between the [[Maslenica|Rovanjske]] and [[Posedarje]] interchanges of the A1 motorway.<ref name="Regulation on motorway markings">{{cite news | newspaper = [[Narodne novine]] | language = Croatian | url = http://narodne-novine.nn.hr/clanci/sluzbeni/305463.html | title = Regulation on motorway markings, chainage, interchange/exit/rest area numbers and names | date = May 6, 2003}}</ref>
 
The bridge comprises a {{convert|200|m|ft|sing=on}} span reinforced concrete arch, with an arch rise of {{convert|65|m|ft}}. The arch comprises a box cross section, a double cell of constant depth. The superstructure is continuous across 12 spans, consisting of prestressed girders made monolithic with the in situ cast deck slab and transverse girders.<ref name="HAC-Monografijaautocesta">{{cite news | newspaper = Croatian Motorways Ltd | language = Croatian | url = http://www.hac.hr/brosure/monografija/virtualMagazine.html | title = HAC Monografija | date = May 17, 2010 | url-status = dead | archiveurl = https://web.archive.org/web/20100818140354/http://www.hac.hr/brosure/monografija/virtualMagazine.html | archivedate = August 18, 2010 }}</ref>
 
The bridge is maintained and operated by Croatian Motorways Ltd.
 
Approximately {{convert|1.5|km|abbr=on}} to the south, there is another bridge, carrying [[D8 (Croatia)|D8 state road]] across the same strait, and this was the original crossing point over the strait.<ref name="NN-klasifikacija">{{cite news | newspaper = [[Narodne novine]] | language = Croatian | url = http://narodne-novine.nn.hr/clanci/sluzbeni/2010_02_17_410.html | title = Decision on categorization of public roads as state roads, county roads and local roads | date = February 17, 2010}}</ref> Although that is a completely different structure, carrying a different road, that bridge is also officially called [[Maslenica Bridge (D8)|Maslenica Bridge]].<ref name="Nacional-noviD8">{{cite news | newspaper = Gradimo.hr | language = Croatian | url = http://www.gradimo.hr/Otvoren-novi-Maslenicki-most/hr-HR/3089.aspx | title = New Maslenica Bridge open | date = June 20, 2005}}</ref> The bridge carrying the A1 motorway is actually older than the one carrying the D8 road, however since the latter is a replacement for a bridge destroyed in the [[Croatian War of Independence]] in 1991, both A1 and D8 bridges are known to be referred to as both ''old'' and ''new'' ''Maslenica Bridge''.<ref name="Nacional-noviD8"/><ref name="Vjesnik-2002">{{cite news | newspaper = Vjesnik | language = Croatian | url = http://www.vjesnik.hr/Pdf/2002%5C10%5C04%5C07A7.PDF | archive-url = https://web.archive.org/web/20031004193530/http://www.vjesnik.hr/pdf/2002%5c10%5c04%5c07A7.PDF | url-status = dead | archive-date = October 4, 2003 | title = New old bridge against wind and congestion | date = October 4, 2002 }}</ref><ref name="Nacional-2002">{{cite news | newspaper = [[Nacional (weekly)|Nacional]] | language = Croatian | url = http://www.nacional.hr/clanak/13238/povratak-starog-maslenickog-mosta | trans_title trans-title= Return of the old Maslenica Bridge |title=Povratak starog Masleničkog mosta | date = 2 October 2002 |accessdate=3 July 2012 |author=Milivoj Đilas |archivedate=36 JulyApril 2012 |deadurlurl-status=nodead |archiveurl=https://web.archive.org/web/20120406190629/http://www.webcitationnacional.orghr/68sVLOdEEclanak/13238/povratak-starog-maslenickog-mosta }}</ref>
 
==Construction==
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The bridge is significant as it is the first motorway reinforced-concrete arch bridge comprising a substantial span executed in Croatia.<ref name="Gradimo-MaslenicaA1">{{cite news | newspaper = Gradimo | language = Croatian | url = http://www.gradimo.hr/Autocestovni-most-kod-Maslenice/hr-HR/13058.aspx | title = Motorway bridge near Maslenica | date = January 1, 2007}}</ref>
 
On 21 December 1998 the speed of a gust of [[Bora (wind)|wind]] on the Maslenica Bridge was measured at a record speed of 248 kilometres per hour.<ref>A. Bajić, B. Peroš, V. Vučetić, Z. Žibrat, Wind load - a meteorological basis for Croatian standards, GRAĐEVINAR 53 (2001), page 501, (in Croatian); http://hrcak.srce.hr/file/18613</ref><ref>{{cite journal |last1=Radic |first1=Jure |last2=Savor |first2=Zlatko |last3=Puz |first3=Goran |title=Report: Extreme Wind and Salt Influence on Adriatic Bridges |journal=Structural Engineering International |date=23 March 2018 |volume=13 |issue=4 |pages=242–245 |doi=10.2749/101686603777964487}}</ref>
Subsequently wind protection structures have been executed along the motorway section comprising the Maslenica Bridge, since the {{convert|15|km|abbr=on}} long section was completely closed to traffic due to strong wind from time to time - for a total of 6 days and 19 hours in 2007, and 13 days and 2 hours in 2006.<ref name="JL-MaslenicaA1">{{cite news | newspaper = [[Jutarnji list]] | language = Croatian | url = http://www.jutarnji.hr/maslenicki-most-dobit-ce-burobrane/240580/ | title = Maslenica Bridge gets wind protection | date = January 29, 2008}}</ref>
 
{{-}}
Subsequently wind protection structures have been executed along the motorway section comprising the Maslenica Bridge, since the {{convert|15|km|abbr=on}} long section was completely closed to traffic due to strong wind from time to time - for a total of 6 days and 19 hours in 2007, and 13 days and 2 hours in 2006.<ref name="JL-MaslenicaA1">{{cite news | newspaper = [[Jutarnji list]] | language = Croatian | url = http://www.jutarnji.hr/maslenicki-most-dobit-ce-burobrane/240580/ | title = Maslenica Bridge gets wind protection | date = January 29, 2008 | access-date = June 16, 2010 | archive-url = https://web.archive.org/web/20100223221939/http://www.jutarnji.hr/maslenicki-most-dobit-ce-burobrane/240580/ | archive-date = February 23, 2010 | url-status = dead | df = mdy-all }}</ref><ref>{{cite journal |last1=Sesar |first1=Petar |last2=Krecak |first2=Ana |title=Impact of wind on Croatian highways and bridges |journal=IABSE Symposium Report |date=1 January 2005 |volume=90 |issue=11 |pages=23–29 |doi=10.2749/222137805796270469}}</ref>
 
==Traffic volume==
Traffic is regularly counted and reported by [[Hrvatske autoceste]], operator of the bridge and the A1 motorway where the bridge is located, and published by [[Hrvatske ceste]].<ref name="HC-promet">{{cite news | newspaper = Hrvatske Ceste | language = English | url = http://www.hrvatske-ceste.hr/WEB%20-%20Legislativa/brojenje-prometa/CroDig2009.pdf | title = Traffic counting on the roadways of Croatia in 2009 - digest | date = May 1, 2010 |url-status=dead |archiveurl=https://web.archive.org/web/20110721100545/http://www.hrvatske-ceste.hr/WEB%20-%20Legislativa/brojenje-prometa/CroDig2009.pdf |archivedate=July 21, 2011 }}</ref> Substantial variations between annual ([[AADT]]) and summer (ASDT) traffic volumes are attributed to the fact that the bridge carries substantial tourist traffic to the [[Dalmatia|Dalmatian]]n [[Adriatic coast|Adriatic]] resorts. The traffic count is performed using analysis of motorway toll ticket sales.
 
{| class="wikitable"
|-
| colspan=5 bgcolorstyle="background:#f2f2f2;" align=center style=margin-top:15 | '''Maslenica Bridge traffic volume'''
|-
| align=center bgcolorstyle="background:#f2f2f2;" | '''Road'''
| align=center bgcolorstyle="background:#f2f2f2;" | '''Counting site'''
| align=center bgcolorstyle="background:#f2f2f2;" | '''AADT'''
| align=center bgcolorstyle="background:#f2f2f2;" | '''ASDT'''
| align=center bgcolorstyle="background:#f2f2f2;" | '''Notes'''
|-
| [[File:Autocesta Motorway-A1-Hex-Green.svg|25px]] A1
| 4805 Maslenica south
| align=center | 12,677
| align=center | 32,411
| Between MaslenicaRovanjske and Posedarje interchanges.
|}
 
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==References==
{{commonscatcommons category|Bridges inNew Maslenica Bridge}}
<references />
 
[[Category:Deck arch bridges]]
[[Category:Bridges in Croatia]]
[[Category:Bridges completed in 1997]]
[[Category:Toll bridges in Croatia]]
[[Category:Concrete bridges]]
[[Category:Buildings and structures in Zadar County‎County]]
[[Category:BridgesCross-sea bridges in Croatia]]
[[Category:Transport in Zadar County]]