Skarnsund Bridge

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Skarnsund Bridge

Skarnsundbrua
Clearance above
45 metres (148 ft)
History
Opened19 Dec 1991
Location
Map

The Skarnsund Bridge (

Trondheimsfjord, and is located along 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 are located at Kjerringvik on the west side, and at Vangshylla on the east side. Following the opening, there was a seventeen-year collection of tolls, needed to finance 30% of the 200 million kr investment. In 2007, the bridge was listed as a cultural heritage. In 2012, the municipalities of Mosvik and Inderøy (on either side of the bridge) were merged to form one large municipality of Inderøy.

Background

See also: Innherredsferja

Prior to its 2012 merger with Inderøy,[1] Mosvik was a separate municipality on the Fosen peninsula and part of the old Nord-Trøndelag county. The first automotive transport from Mosvik to the more populated area of Innherred commenced in 1958, when the ferry company Innherredsferja started the Levanger–Hokstad–Vangshylla–Kjerringvik–Venneshamn route. In 1964, the road between Kjerringvik and Vennesham, both in Mosvik, 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, the bridge also caters for the larger municipality Leksvik (now part of 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.

King Harald V 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 (1992);[8] Beautiful Roads Award (1994);[9] and the international FIP Award (1994).[10][11] In 2008, the 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 to declare Norway's most beautiful road bridge.[14]

Specifications

The Skarnsund Bridge looking west

The bridge is one of the world's longest

longest cable-stayed bridge 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 cu yd) 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

earthquakes.[7]

Financing

Toll collection started the day after the opening, and lasted until 24 May 2007.

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-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
, like many other plazas.

See also

Wikimedia Commons has media related to Skarnsund Bridge.

References

  1. ^ Arnfinn Tangstad. "Sammenslåing av kommunene Mosvik og Inderøy - Hvorfor og hvordan – og ble det slik vi ønsket ?" [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).
  2. ^ Sæther, Stein Arne (2 December 2004). "Ferjene i Midt-Norge". Adresseavisen (in Norwegian). Archived from the original on 27 September 2011. Retrieved 27 January 2011.
  3. ^ a b c Okkenhaug, Knut (18 December 2001). "10 år etter åpningen står hun". Adresseavisen (in Norwegian). p. 13.
  4. ^ Bakken, Sigrun (14 June 2008). "Bomavgift på togbillett". Trønder-Avisa (in Norwegian).
  5. ^ "Statsbudsjettet" (in Norwegian). Norwegian News Agency. 3 October 1986.
  6. ^ "Lokalstoff Nord-Trøndelag" (in Norwegian). Norwegian News Agency. 29 September 1988.
  7. ^ a b c d Skarnsundet bru. Norwegian Public Roads Administration. 1992.
  8. ^ "Oversikt over vinnere av Betongtavlen" (PDF) (in Norwegian). Norwegian Concrete Association. 2008. Archived from the original (PDF) on 23 July 2011. Retrieved 27 January 2011.
  9. ^ "Vakre Vegers Pris - tidligere vinnere" (in Norwegian). Norwegian Public Roads Administration. Archived from the original on 22 March 2012. Retrieved 27 January 2011.
  10. ^ "Bridges" (in Norwegian and English). Norwegian Public Roads Administration. Archived from the original on 2 February 2009. Retrieved 9 February 2009.
  11. ^ Johs. Holt AS. "Om oss" (in Norwegian). Archived from the original on 24 July 2011. Retrieved 27 January 2011.
  12. ^ "Riksantikvaren vil frede 40 bruer". Romerikes Blad (in Norwegian). ANB-NTB. 4 September 2007. p. 8. Archived from the original on 29 February 2012. Retrieved 27 January 2011.
  13. ^ "Forskrift om fredning av broer i Statens vegvesens eie" (in Norwegian). Norwegian Directorate for Cultural Heritage. 17 April 2008. Archived from the original on 17 January 2014. Retrieved 27 January 2011.
  14. ^ Zachariassen, Espen; Olsen, Stein Jarle (23 July 2010). "Dette er Norges vakreste bro". Teknisk Ukeblad (in Norwegian). Archived from the original on 28 August 2010. Retrieved 27 January 2011.
  15. ISBN 0-7277-2773-7
    .
  16. ^
    Norwegian Broadcasting Corporation (in Norwegian). 24 May 2007. p. 8. Archived from the original
    on 21 October 2012. Retrieved 27 January 2011.

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