|Official name||Temburong Bridge|
|Maintained by||Public Works Department|
|Design||Box girder and cable-stayed bridges|
|Total length||30 km (19 mi)|
China State Construction Engineering
|Construction cost||$1.6 billion BND|
|Length||30 km (20 mi)|
|Northwest end||Jalan Utama Mentiri in Mengkubau|
|Jalan Kota Batu in Sungai Besar|
|Southeast end||Jalan Labu in Labu Estate|
|Brunei National Roads System|
Temburong Bridge (Malay: Jambatan Temburong; Jawi: جمبتن تمبوروڠ) is a 30-kilometre (19-mile) bridge currently under construction in Brunei. It will connect Mengkubau and Sungai Besar in Brunei-Muara District and Labu Estate in Temburong District. This will be the first road bridge in the country that directly links the mainland and the Temburong exclave, which are physically separated by the Sarawakian district of Limbang in Malaysia and the Brunei Bay in South China Sea. The bridge will allow land commuters to travel between the two territories without passing through Malaysia, hence bypassing the four immigration checkpoints along the current route, which is frequently congested. This will also improve the mobility for Temburong residents to other parts of Brunei, especially to the capital Bandar Seri Begawan and shorten the travel time; currently the direct connection is between the capital and Bangar, the district town, via water taxi services which takes about 45 minutes.
Construction started in 2014 and is expected to be completed by the end of 2019, and to subsequently open sometime in 2019. The bridge is currently being built by both Daelim, a South Korean company, and China State Construction Engineering Corporation (CSCEC), a Chinese state-owned company. The project is reported to cost 1.6 billion Brunei dollars (US$1.2B as of March 2018).
The construction of the bridge is divided into six 'packages' or contracts. The first is CC1 or the Mentiri Tunnels and it is a series of tunnels through the Mentiri Ridges which will connect Jalan Utama Mentiri, a controlled-access dual carriageway, with Jalan Kota Batu and it is still open for tender. The packages currently carried out are CC2, CC3 and CC4 comprising Marine Viaducts, Navigation Bridges and Temburong Viaduct respectively. CC2 and CC3 are awarded to Daelim, a South Korean company, which is responsible for constructing a system of viaducts and two cable-stayed bridges that crosses the Brunei Bay. Meanwhile, China State Construction Engineering is awarded the CC4 contract and is responsible for constructing the land viaduct which traverses the mangrove swamp of Labu Forest Reserve. CC5A and CC5B are the traffic control and survelliance system, and power supply system respectively.
The road system will be a controlled-access dual carriageway which begins at a grade-separated interchange with Jalan Utama Mentiri between the Sungai Akar roundabout and the Salambigar intersection. The road then goes through two parallel tunnels and ends at another grade-separated interchange with Jalan Kota Batu. This section is 3.6 kilometres (2.2 miles) long. The bridge then begins, with a 14.5-kilometre (9.0-mile) viaduct across the Brunei Bay, passing across the tip of Pulau Berambang, then in between Pulau Pepatan and Pulau Baru-Baru, up to Tanjung Kulat in Temburong. Finally, another 11.8-kilometre (7.3-mile) viaduct begins from Tanjung Kulat and ends at Jalan Labu, traversing through Labu Forest Reserve, and includes a bridge which crosses the Labu River, before intersecting with Jalan Labu at a roundabout.
Intersection names are conjectural and unofficial.
Concurrency terminus Closed/Former Incomplete access Unopened
|Brunei-Muara||Kota Batu||Mengkubau||Mentiri I/C||Jalan Penghubung Mentiri: Sungai Akar, Subok, Pulaie, Salambigar, Lambak|
|Mentiri Tunnel 1|
|Mentiri Tunnel 2|
|Sungai Besar||Kota Batu I/C||Sungai Besar Roundabouts:
Jalan Kota Batu: Sungai Besar, Mentiri, Tanah Jambu, Muara, Kota Batu, Bandar Seri Begawan
|Northwest-bound exit only; southeast-bound entrance only|
|Brunei River estuary||Temburong Bridge (across Brunei River)|
|Allocation for future connection to Pulau Berambang|
|Brunei Bay||Temburong Bridge (across Brunei Bay)|
|Allocation for future connections to Pulau Pepatan and Pulau Baru-Baru|
|Temburong Bridge (across Brunei Bay)|
|Limbang, Limbang, Sarawak, Malaysia|
|Labu Forest Reserve||Sungai Pasu Gadong bridge|
|Labu Estate||Sungai Labu bridge|
|Labu Estate R/O||Jalan Labu: Labu, Bangar, Puni, Ujong Jalan, Batu Apoi, Amo|
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