# Skarnsund Bridge

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Bridge in Inderøy, Norway

Skarnsund Bridge Skarnsundbrua Coordinates 63°50′37″N 11°04′35″E / 63.8436°N 11.0764°E / 63.8436; 11.0764 Carries Fv755 Crosses Skarnsundet strait Locale Inderøy Municipality, Norway Maintained by Statens vegvesen Characteristics Design Cable-stayed bridge Total length 1,010 metres (3,310 ft) Longest span 530 metres (1,740 ft) Clearance above 45 metres (148 ft) History Opened 19 Dec 1991 Location Interactive map of Skarnsund Bridge

The **Skarnsund Bridge** ([Norwegian](/source/Norwegian_language): *Skarnsundet bru* or *Skarnsundbrua*) is a 1,010-metre (3,310 ft) long concrete [cable-stayed bridge](/source/Cable-stayed_bridge) that crosses the [Skarnsundet](/source/Skarnsundet) [strait](/source/Strait) in [Inderøy Municipality](/source/Inder%C3%B8y_Municipality) in [Trøndelag](/source/Tr%C3%B8ndelag) county, [Norway](/source/Norway). When finished in 1991, it replaced the [Vangshylla–Kjerringvik Ferry](/source/Vangshylla%E2%80%93Kjerringvik_Ferry) and it gives the communities in [Indre Fosen Municipality](/source/Indre_Fosen_Municipality) easier access to the central areas of [Innherred](/source/Innherred). The bridge is the only road crossing of the [Trondheimsfjord](/source/Trondheimsfjord), and is located along [Norwegian County Road 755](/source/Norwegian_County_Road_755).

The bridge has a span of 530 metres (1,739 ft), making it the longest of its type in the world for two years. The two 152-metre (499 ft) tall [pylons](/source/Abutment) are located at [Kjerringvik](/source/Kjerringvik) on the west side, and at [Vangshylla](/source/Vangshylla) on the east side. Following the opening, there was a seventeen-year collection of [tolls](/source/Toll_road), needed to finance 30% of the 200 million kr investment. In 2007, the bridge was listed as a [cultural heritage](/source/Cultural_heritage). In 2012, [Mosvik Municipality](/source/Mosvik_Municipality) and [Inderøy Municipality](/source/Inder%C3%B8y_Municipality) (located on either side of the bridge) were merged to form one large municipality of Inderøy.

## Background

See also: [Innherredsferja](/source/Innherredsferja)

Prior to its 2012 merger with [Inderøy Municipality](/source/Inder%C3%B8y_Municipality),[1] [Mosvik Municipality](/source/Mosvik_Municipality) was a separate municipality on the [Fosen](/source/Fosen) peninsula and part of the old [Nord-Trøndelag](/source/Nord-Tr%C3%B8ndelag) county. The first automotive transport from Mosvik to the more populated area of [Innherred](/source/Innherred) commenced in 1958, when the ferry company [Innherredsferja](/source/Innherredsferja) started the [Levanger](/source/Levanger_(town))–[Hokstad](/source/Hokstad)–Vangshylla–Kjerringvik–[Venneshamn](/source/Venneshamn) route. In 1964, the road between Kjerringvik and Vennesham, both in Mosvik Municipality, opened, and a new ferry was purchased, establishing the Vangshylla–Kjerringvik Ferry.[2]

The ferry, and subsequently the bridge, is located at the narrowest section of Skarnsundet, between the villages of Kjerringvik and Vangshylla. In addition to Mosvik Municipality, the bridge also catered to the neighboring [Leksvik Municipality](/source/Leksvik_Municipality) (now part of [Indre Fosen Municipality](/source/Indre_Fosen_Municipality)), further out down the fjord. The bridge is the only one to cross the Trondheimsfjord.[3]

## History

The bridge seen from the Mosvik side

The first meeting of local commercial and political interests to establish a bridge was made in 1972.[3] By 1983, it was formalized by the establishment of the company AS Skarnsundsbrua to finance construction.[4] The [Parliament of Norway](/source/Parliament_of_Norway) passed the plans in 1986,[5] and construction started two years later.[6] The main contractor was [Aker](/source/Aker_ASA); and after the bridge was finished, maintenance was taken over by the [Nord-Trøndelag Public Roads Administration](/source/Norwegian_Public_Roads_Administration). The bridge cost 200 million [kr](/source/Norwegian_krone).[7] The bridge was opened by [King Harald V](/source/Harald_V_of_Norway) on 19 December 1991, after he had taken the last ferry across the fjord. A monument, the King's Stone, bearing the signature of the king, is located at the resting place on the Mosvik side.[3]

Following the opening, it won several awards: [Betongtavlen](/source/Betongtavlen) (1992);[8] Beautiful Roads Award (1994);[9] and the international FIP Award (1994).[10][11] In 2008, the [Norwegian Directorate for Cultural Heritage](/source/Norwegian_Directorate_for_Cultural_Heritage) listed the bridge as a protected cultural heritage.[12][13] In 2010, the bridge came in second in a competition held by *[Teknisk Ukeblad](/source/Teknisk_Ukeblad)* to declare Norway's most beautiful road bridge.[14]

## Specifications

The Skarnsund Bridge looking west

The bridge is one of the world's longest [cable-stayed bridges](/source/Cable-stayed_bridge), with a length of 1,010 metres (3,310 ft). The span is 530 metres (1,740 ft), while the two towers are 152 metres (499 ft) above sea level. The deck is 2.15 metres (7.1 ft) deep, and 13 metres (43 ft) wide, with two lanes for automobiles and one for pedestrians and bicycles. It is the longest concrete cable-stayed span. The sailing height is 45 metres (148 ft). The bridge was, on its completion, the [longest cable-stayed bridge](/source/List_of_largest_cable-stayed_bridges) in the world by the length of main span, but has since lost the title.[7][15]

The original construction work also included 1.6 kilometres (1.0 mi) of new road, including a resting place on the Mosvik side. In the construction of the bridge, 19,600 cubic metres (25,600 yd3) concrete was used and the 208 cables, with a total length of 33 kilometres (21 mi), weighed 1,030 tonnes (1,010 long tons; 1,140 short tons). The cables have diameters varying between 52 and 85 millimetres (2.0 and 3.3 in) and can, if needed, be replaced separately. The bridge's foundations are [bedrock](/source/Bedrock) below the [seabed](/source/Seabed) under each tower. The bridge was built to withstand winds up to 48.5 metres per second (159 ft/s) (century storms) and has been designed to withstand [earthquakes](/source/Earthquakes).[7]

## Financing

Toll collection started the day after the opening, and lasted until 24 May 2007.[16] Seventy percent of the costs were to be covered by the state, and thirty percent through [toll fees](/source/Toll_road). The debt was borrowed by the private company that was given a [concession](/source/Concession_(contract)) to operate a [toll plaza](/source/Toll_plaza) on the Inderøy side.[7] Including interest, NOK 80 million was collected, and the bridge was paid off three years before schedule.[16] The [Vanvikan](/source/Vanvikan)-based company was disestablished following the closure of the plaza. Until only a few years before the closing, it was the only toll plaza in Nord-Trøndelag. There were several price increases during the toll period. The bridge was free for pedestrians and cyclists, but all motor vehicles were charged, although discounts were available for frequent travelers. The plaza was staffed, and did not take into use [Autopass](/source/Autopass), like many other plazas.

## See also

Wikimedia Commons has media related to [Skarnsund Bridge](https://commons.wikimedia.org/wiki/Category:Skarnsundbrua).

- [List of longest cable-stayed bridge spans](/source/List_of_longest_cable-stayed_bridge_spans)

- [List of tallest bridges in the world](/source/List_of_tallest_bridges_in_the_world)

## References

1. **[^](#cite_ref-1)** Arnfinn Tangstad. ["Sammenslåing av kommunene Mosvik og Inderøy - Hvorfor og hvordan – og ble det slik vi ønsket ?"](https://www.regjeringen.no/globalassets/upload/krd/komm/sammenslaaing_mosvik-inderoy_arnfinn_tangstad.pdf) [Merger of the municipalities of Mosvik and Inderøy - Why and how - and did it turn out the way we wanted?] (PDF). *regjeringen.no* (in Norwegian).

1. **[^](#cite_ref-2)** Sæther, Stein Arne (2 December 2004). ["Ferjene i Midt-Norge"](https://web.archive.org/web/20110927045234/http://www.adressa.no/tema/villeveier/article359491.ece). *[Adresseavisen](/source/Adresseavisen)* (in Norwegian). Archived from [the original](http://www.adressa.no/tema/villeveier/article359491.ece) on 27 September 2011. Retrieved 27 January 2011.

1. ^ [***a***](#cite_ref-tiar_3-0) [***b***](#cite_ref-tiar_3-1) [***c***](#cite_ref-tiar_3-2) Okkenhaug, Knut (18 December 2001). "10 år etter åpningen står hun". *[Adresseavisen](/source/Adresseavisen)* (in Norwegian). p. 13.

1. **[^](#cite_ref-4)** Bakken, Sigrun (14 June 2008). "Bomavgift på togbillett". *[Trønder-Avisa](/source/Tr%C3%B8nder-Avisa)* (in Norwegian).

1. **[^](#cite_ref-5)** "Statsbudsjettet" (in Norwegian). [Norwegian News Agency](/source/Norwegian_News_Agency). 3 October 1986.

1. **[^](#cite_ref-6)** "Lokalstoff Nord-Trøndelag" (in Norwegian). [Norwegian News Agency](/source/Norwegian_News_Agency). 29 September 1988.

1. ^ [***a***](#cite_ref-booklet_7-0) [***b***](#cite_ref-booklet_7-1) [***c***](#cite_ref-booklet_7-2) [***d***](#cite_ref-booklet_7-3) *Skarnsundet bru*. [Norwegian Public Roads Administration](/source/Norwegian_Public_Roads_Administration). 1992.

1. **[^](#cite_ref-8)** ["Oversikt over vinnere av Betongtavlen"](https://web.archive.org/web/20110723024647/http://www.betong.net/ikbViewer/Content/749635/BETONGTAVLENoversikt.pdf) (PDF) (in Norwegian). [Norwegian Concrete Association](https://en.wikipedia.org/w/index.php?title=Norwegian_Concrete_Association&action=edit&redlink=1). 2008. Archived from [the original](http://www.betong.net/iKnowBase/Content/749635/BETONGTAVLENoversikt.pdf) (PDF) on 23 July 2011. Retrieved 27 January 2011.

1. **[^](#cite_ref-9)** ["Vakre Vegers Pris - tidligere vinnere"](https://web.archive.org/web/20120322230551/http://www.vegvesen.no/Fag/Fokusomrader/Miljo+og+omgivelser/Vakre+vegers+pris/Vakre+vegers+pris+-+tidligere+vinnere) (in Norwegian). [Norwegian Public Roads Administration](/source/Norwegian_Public_Roads_Administration). Archived from [the original](http://www.vegvesen.no/Fag/Fokusomrader/Miljo+og+omgivelser/Vakre+vegers+pris/Vakre+vegers+pris+-+tidligere+vinnere) on 22 March 2012. Retrieved 27 January 2011.

1. **[^](#cite_ref-10)** ["Bridges"](https://web.archive.org/web/20090202153024/http://www.vegvesen.no/en/Roads/Roads+and+bridges/Bridges) (in Norwegian and English). [Norwegian Public Roads Administration](/source/Norwegian_Public_Roads_Administration). Archived from [the original](http://www.vegvesen.no/en/Roads/Roads+and+bridges/Bridges) on 2 February 2009. Retrieved 9 February 2009.

1. **[^](#cite_ref-11)** [Johs. Holt AS](/source/Johannes_Holt). ["Om oss"](https://web.archive.org/web/20110724180257/http://www.johsholt.no/wip4/blist.epl?cat=14755&id=217658&l=1) (in Norwegian). Archived from [the original](http://www.johsholt.no/wip4/blist.epl?cat=14755&id=217658&l=1) on 24 July 2011. Retrieved 27 January 2011.

1. **[^](#cite_ref-12)** ["Riksantikvaren vil frede 40 bruer"](https://web.archive.org/web/20120229152114/http://www.rb.no/lokale_nyheter/article2970175.ece). *[Romerikes Blad](/source/Romerikes_Blad)* (in Norwegian). ANB-NTB. 4 September 2007. p. 8. Archived from [the original](http://www.rb.no/lokale_nyheter/article2970175.ece) on 29 February 2012. Retrieved 27 January 2011.

1. **[^](#cite_ref-forskrift_13-0)** ["Forskrift om fredning av broer i Statens vegvesens eie"](https://web.archive.org/web/20140117033537/http://lovdata.no/for/sf/md/xd-20080417-0364.html) (in Norwegian). Norwegian Directorate for Cultural Heritage. 17 April 2008. Archived from [the original](http://lovdata.no/for/sf/md/xd-20080417-0364.html) on 17 January 2014. Retrieved 27 January 2011.

1. **[^](#cite_ref-14)** Zachariassen, Espen; Olsen, Stein Jarle (23 July 2010). ["Dette er Norges vakreste bro"](https://web.archive.org/web/20100828113220/http://www.tu.no/bygg/article252693.ece). *[Teknisk Ukeblad](/source/Teknisk_Ukeblad)* (in Norwegian). Archived from [the original](http://www.tu.no/bygg/article252693.ece) on 28 August 2010. Retrieved 27 January 2011.

1. **[^](#cite_ref-15)** Walther, Rene; et al. (1999). *Cable stayed bridges* (2nd ed.). Thomas Telford Publishing. p. 18. [ISBN](/source/ISBN_(identifier)) [0-7277-2773-7](https://en.wikipedia.org/wiki/Special:BookSources/0-7277-2773-7).

1. ^ [***a***](#cite_ref-free_16-0) [***b***](#cite_ref-free_16-1) ["Gratis over Skarnsundet"](https://web.archive.org/web/20121021140454/http://www.nrk.no/nyheter/distrikt/nrk_trondelag/1.2538544). *[Norwegian Broadcasting Corporation](/source/Norwegian_Broadcasting_Corporation)* (in Norwegian). 24 May 2007. p. 8. Archived from [the original](http://www.nrk.no/nyheter/distrikt/nrk_trondelag/1.2538544) on 21 October 2012. Retrieved 27 January 2011.

World's longest cable-stayed bridge span Preceded by Alex Fraser Bridge Skarnsund Bridge 1991–1993 Superseded by Yangpu Bridge

Crossings of the Trondheimsfjord Upstream Skarnsund Bridge Fv755 Downstream Levanger–Hokstad Ferry Fv774

v t e Major bridges in Norway Suspension bridges Alversund Askøy Bømla Brevik Djupfjord Einang Sound Erfjord Folda Fossum Fyksesund Gjemnessund Hagelsund Hålogaland Hardanger Kjellingstraumen Kjerringstraumen Kvalsund Lokkaren Lysefjord Nærøysund Osterøy Randøy Rombak Skjomen Sotra Stord Tana Tjeldsund Varodd Cable-stayed bridges Grenland Helgeland Nordhordland Sami Skarnsund Stavanger City Ypsilon Pontoon bridges Bergsøysund Nordhordland Bascule bridges Tønsberg Canal

Authority control databases VIAF

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Adapted from the Wikipedia article [Skarnsund Bridge](https://en.wikipedia.org/wiki/Skarnsund_Bridge) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Skarnsund_Bridge?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.