Dobra Bridge (A1)
Encyclopedia
The Dobra Bridge is located between Karlovac
and Novigrad interchanges of the A1 motorway
in Croatia
, spanning Dobra River. It is 546 metres (1,791.3 ft) 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
). During the construction there was one major incident: On July 1, 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.
. 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
n Adriatic resorts. The traffic count is performed using analysis of motorway toll ticket sales.
Karlovac
Karlovac is a city and municipality in central Croatia. The city proper has a population of 49,082, while the municipality has a population of 59,395 inhabitants .Karlovac is the administrative centre of Karlovac County...
and Novigrad interchanges of the A1 motorway
A1 (Croatia)
The A1 motorway is the longest motorway in Croatia spanning . As it connects Zagreb, the nation's capital, to Split, the second largest city in the country and the largest city in Dalmatia, the motorway represents a major north–south transportation corridor in Croatia and a significant part of the...
in Croatia
Croatia
Croatia , officially the Republic of Croatia , is a unitary democratic parliamentary republic in Europe at the crossroads of the Mitteleuropa, the Balkans, and the Mediterranean. Its capital and largest city is Zagreb. The country is divided into 20 counties and the city of Zagreb. Croatia covers ...
, spanning Dobra River. It is 546 metres (1,791.3 ft) 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
Croatian kuna
The kuna is the currency of Croatia since 1994 . It is subdivided into 100 lipa. The kuna is issued by the Croatian National Bank and the coins are minted by the Croatian Monetary Institute....
(7.7 million euro
Euro
The euro is the official currency of the eurozone: 17 of the 27 member states of the European Union. It is also the currency used by the Institutions of the European Union. The eurozone consists of Austria, Belgium, Cyprus, Estonia, Finland, France, Germany, Greece, Ireland, Italy, Luxembourg,...
). During the construction there was one major incident: On July 1, 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 70 metres (229.7 ft) long, while the remaining 12 spans are either 28 metres (91.9 ft) or 35 metres (114.8 ft) long. The bridge is executed as two parallel structures, each 10.5 metres (34.4 ft) wide. The bridge is a reinforced concrete plate gider structure, consisting of pretensioned reinforced concrete prefabricated I-section girders 180 centimetres (70.9 in) tall and a 22 centimetres (8.7 in) 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 A1 motorway where the bridge is located, and published by Hrvatske cesteHrvatske ceste
Hrvatske ceste is a Croatian state-owned company pursuant to provisions of the Croatian Public Roads Act , the county and local roads are managed by county authorities, while the motorways are managed by Croatian Motorways Ltd and other concessionaires.The company is currently administered by a...
. 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
Dalmatia
Dalmatia is a historical region on the eastern coast of the Adriatic Sea. It stretches from the island of Rab in the northwest to the Bay of Kotor in the southeast. The hinterland, the Dalmatian Zagora, ranges from fifty kilometers in width in the north to just a few kilometers in the south....
n Adriatic resorts. The traffic count is performed using analysis of motorway toll ticket sales.
| Dobra Bridge traffic volume | ||||
| Road | Counting site | AADT | ASDT | Notes |
| A1 | 1804 Karlovac south | 21,699 | 43,188 | Between Karlovac and Bosiljevo 1 interchanges. |