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Krka Bridge

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Not to be confused with Krk Bridge. Bridge in Southern Croatia
Krka Bridge
Coordinates43°48′29″N 15°54′54″E / 43.808°N 15.915°E / 43.808; 15.915
CarriesA1 motorway
CrossesKrka River
LocaleSouthern Croatia
Official nameMost Krka
Maintained byHrvatske autoceste
Characteristics
Designconcrete arch bridge
Total length391.16 m
Width22.56 m
Longest span204 m
Clearance below65 m
History
Opened2005
Statistics
Tollcharged as a part of A1 motorway toll
Location

The Krka Bridge is located in Croatia, between the Skradin and Šibenik interchanges. It is a 391 metres (1,283 ft) long concrete arch bridge spanning the Krka River at a height of 65 metres (213 ft). It carries the A1 motorway route south of Skradin, in immediate vicinity of Krka National Park.

The Krka River canyon is spanned by 204 metres (669 ft) reinforced concrete arch, with arch rise of 52 metres (171 ft). Composite spandrel structure consists of steel girders and reinforced concrete deck slab. The steel grillage consists of two main longitudinal girders at the axial distance of 7.6 metres (25 ft), transversal girders set 4 metres (13 ft) apart and peripheral beams. Immediately to the south of the bridge, there is Krka rest area offering a scenic view of the bridge and the river canyon.

The construction works comprised 16,000 cubic meters of excavation, 2,000 cubic meters of embankments and backfill, 11,800 cubic meters of various types of concrete and 2,300 tons of reinforcement steel. That does not include additional 1,700 tons of steel used for execution of the spandrel structure.

The Krka Bridge comprises the longest span of all the bridges on the A1 motorway, as its span surpasses the Maslenica Bridge by mere 4 m (13 ft). That makes the Krka Bridge the fourth largest concrete arch bridge in Croatia, by span size, behind two arches of the Krk Bridge - 390 m (1,280 ft) and 244 m (801 ft) long and Šibenik Bridge (246 m (807 ft) long).

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. Substantial variations between annual (AADT) and summer (ASDT) traffic volumes are attributed to the fact that the bridge carries substantial tourist traffic to the Dalmatian Adriatic resorts. The traffic count is performed using analysis of motorway toll ticket sales.

Krka Bridge traffic volume
Road Counting site AADT ASDT Notes
A1 5315 Skradin south 8,811 19,707 Between Skradin and Šibenik interchanges.

See also

References

  1. ^ "HAC Monografija pp 220-221". Hrvatske autoceste. May 17, 2010. Archived from the original on August 18, 2010. Retrieved August 25, 2010.
  2. "Zagreb - Split motorway bridge across Krka River near Skradin". Gradimo (in Croatian). July 1, 2007. Archived from the original on September 4, 2011. Retrieved August 25, 2010.
  3. ^ "Krka Bridge". Konstruktor (in Croatian). August 25, 2010.
  4. "The largest Japanese reinforced concrete arch bridge would rank the fourth in Croatia" (PDF). Vjesnik (in Croatian). April 10, 2004. Archived from the original (PDF) on June 2, 2004.
  5. "Zagreb - Split motorway" (PDF). Hrvatske autoceste. July 18, 2005. Archived from the original (PDF) on July 5, 2010. Retrieved August 27, 2010.
  6. "Arched bridge in Krka, Croatia". Doka Press Corner. August 27, 2010. Archived from the original on July 27, 2011. Retrieved August 27, 2010.
  7. "Krka River Bridge". Structurae. August 27, 2010.
  8. "Traffic counting on the roadways of Croatia in 2009 - digest" (PDF). Hrvatske Ceste. May 1, 2010. Archived from the original (PDF) on July 21, 2011.
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