The Dobra Bridge is located between
Karlovac
Karlovac () is a city in central Croatia. In the 2021 census, its population was 49,377.
Karlovac is the administrative centre of Karlovac County. The city is located southwest of Zagreb and northeast of Rijeka, and is connected to them via the ...
and
Novigrad interchanges of the
A1 motorway in
Croatia
Croatia, officially the Republic of Croatia, is a country in Central Europe, Central and Southeast Europe, on the coast of the Adriatic Sea. It borders Slovenia to the northwest, Hungary to the northeast, Serbia to the east, Bosnia and Herze ...
, spanning
Dobra River. It is long, and it comprises four traffic lanes and two emergency lanes.
Construction work on the Dobra Bridge started in 1999 and was completed in 2001.
Cost of the construction work was 57 million
Croatian kuna (7.7 million
euro
The euro (currency symbol, symbol: euro sign, €; ISO 4217, currency code: EUR) is the official currency of 20 of the Member state of the European Union, member states of the European Union. This group of states is officially known as the ...
). During the construction there was one major incident: on 1 July 2000, three girders plummeted from the main span piers into the river below. The incident did not cause any injury and damage was reported to be marginal.
Description
The deck structure stretches across 13 spans. The main span is long, while the remaining 12 spans are either or long. The bridge is executed as two parallel structures, each wide. The bridge is a reinforced concrete plate gider structure, consisting of pretensioned reinforced concrete prefabricated I-section girders tall and a deep reinforced concrete deck slab. Foundations of the bridge are executed on piles.
Traffic volume
Traffic is regularly counted and reported by
Autocesta Rijeka – Zagreb, operator of the bridge and the part of the A1 motorway where the bridge is located, and published by
Hrvatske ceste
Hrvatske ceste (lit. ''Croatian roads'') is a Croatian state-owned company pursuant to provisions of the Croatian Public Roads Act ( enacted by the Parliament of the Republic of Croatia.
The tasks of the company are defined by the Public Roads A ...
.
Substantial variations between annual (
AADT
Annual average daily traffic (AADT) is a measure used primarily in transportation planning, transportation engineering and retail location selection. Traditionally, it is the total volume of vehicle traffic of a highway or road for a year divided ...
) and summer (ASDT) traffic volumes are attributed to the fact that the bridge carries substantial tourist traffic to the
Dalmatia
Dalmatia (; ; ) is a historical region located in modern-day Croatia and Montenegro, on the eastern shore of the Adriatic Sea. Through time it formed part of several historical states, most notably the Roman Empire, the Kingdom of Croatia (925 ...
n
Adriatic
The Adriatic Sea () is a body of water separating the Italian Peninsula from the Balkans, Balkan Peninsula. The Adriatic is the northernmost arm of the Mediterranean Sea, extending from the Strait of Otranto (where it connects to the Ionian Se ...
resorts. The traffic count is performed using analysis of motorway toll ticket sales.
See also
*
List of bridges by length
This is a list of the world's longest bridges that are more than in length sorted by their full length above land and water. The main span is the longest span without any ground support.
''Note: There is no standard way to measure the total ...
References
{{Reflist, 2
External links
Autocesta Rijeka–Zagreb: Dobra Bridge webcam
Plate girder bridges
Bridges completed in 2001
Toll bridges in Croatia
Buildings and structures in Karlovac County
Transport in Karlovac County