The Bang Na Expressway (full name: Bang Na – Bang Phli – Bang Pakong Expressway), officially Burapha Withi Expressway (, lit. Road to the East), is a six-lane elevated highway in Thailand. It is a toll road running above National Highway 34 (Debaratna Road, Bang Na–Trat Road) and is owned by the Expressway Authority of Thailand (EXAT).
History The Bang Na Expressway was conceived by the Expressway and Rapid Transit Authority of Thailand (ETA) and Sukavich Rangsitpol, deputy prime minister of Chuan Leekpai Cabinet (1992–1995). The structure was built using a design-build contracting method. The columns and superstructure were designed by Jean M. Muller (U.S.) and the alignment and foundations were designed by Asian Engineering Consultants (Thailand). The owner's designer and engineer was the late Louis Berger of the Louis Berger Group and the project was built by a joint venture of Bilfinger & Berger (Germany) and Ch. Karnchang (Thailand). It took of concrete to build the bridge. The bridge was completed in January 2000. The expressway was opened in its entirety on 7 February 2000.
Structural description The highway is elevated onto a viaduct that has an average span length of . It is a box girder bridge.
There are two toll plazas on the elevated structure where the structure must widen to accommodate twelve lanes. The toll system is done by Kapsch TrafficCom AB (Sweden).
Route This expressway has toll plazas for both entry and exit. This table only displays toll plazas for entry onto the expressway. Burapha Withi Expressway Bang Na – Chon BuriLocationkmWestboundFacilityEastboundExit destinations (road)Toll Plaza (Entry)EnglishThaiToll Plaza (Entry)Exit destinations (road)Bangkok0.00Westbound - Tha Ruea, Dao Khanong, Rama IX Road, Ram Inthra Road ( S1 Expressway) -Bang Na Junctionต่างระดับบางนาno toll plaza (continues from S1) -2.00Bang Na, CentralPlaza Bangna, BITEC ( Debaratna Road) -Bang Na Interchangeต่างระดับบางนาno toll plaza (uses Bang Na KM.6)6.00Bang Na KM.6 Toll Plaza7.00 -Bang Kaeo (Inbound)Bang Kaeo Interchangeแยกทางด่วนบางแก้ว -Bang Kaeo, Ramkhamhaeng University Bang Na Campus ( Debaratna Road)4.72Northbound - Lat Krabang, Ram Inthra, Bang Pa-in ( East Kanchanaphisek Road)Bang Kaeo 2Wat Salut Junctionต่างระดับวัดสลุดBang Kaeo 2Southbound - Samut Prakan, Phra Pradaeng, Rama II Road (Kanchanaphisek Expressway)Bang Kaeo 3Bang Kaeo 3Outer Ring Road (Bang Kaeo)11.00 -Bang Phli 1Bang Phli 1 Interchangeแยกทางด่วนบางพลี 1 -Bang Phli (King Kaeo Road)13.00Lat Krabang (King Kaeo Road) -Bang Phli 2 Interchangeแยกทางด่วนบางพลี 2Bang Phli 2 -15.00Suvarnabhumi Airport, Krirk University (Suvarnabhumi 3 Road)Suvarnabhumi 1Suvarnabhumi Interchangeแยกทางด่วนสุวรรณภูมิSuvarnabumi 2 -19.00 -Mueang Mai Bang PhliMueang Mai Bang Phli Interchangeแยกทางด่วนเมืองใหม่บางพลี -Bang Phli New Town, Bang Phli Industrial Estate, Chakri Naruebodindra Medical Institute (Debaratna Road)25.00 -Bang Sao ThongBang Sao Thong Interchangeแยกทางด่วนบางเสาธง -Bang Sao Thong (Debaratna Road)30.00Bang Bo (Debaratna Road) -Bang Bo Interchangeแยกทางด่วนบางบ่อBang Bo -33.00 -Bang Phli NoiBang Phli Noi Interchangeแยกทางด่วนบางพลีน้อย -Bang Phli Noi (Debaratna Road)Chachoengsao38.00 -Bang SamakBang Samak Interchangeแยกทางด่วนบางสมัคร -Bang Samak, Chachoengsao, Motorway 7 (Debaratna Road, Bangkok Chonburi New Frontage Road)42.00Bang Wua, Chachoengsao, Motorway 7 (Debaratna Road, Bangkok Chonburi New Frontage Road) -Bang Wua Interchangeแยกทางด่วนบางวัวBang Wua -45.00 -Bang Pakong 1Bang Pakong 1 Interchangeแยกทางด่วนบางปะกง 1 -Bang Pakong, Chachoengsao (Debaratna Road, Highway 314, Sukhumvit Road)47.00Bang Pakong, Chachoengsao (Debaratna Road, Highway 314, Sukhumvit Road) -Bang Pakong 2 Interchangeแยกทางด่วนบางปะกง 2Bang Pakong 2 -Chonburi54.00 -ChonburiChonburi Interchangeแยกทางด่วนชลบุรี -Chonburi, Phan Thong ( Sukhumvit Road)
Records The world's longest car bridge, the Bang Na Expressway held the title of the world's longest bridge from 2000 until 2008. Today, it is the seventh longest bridge in the world.
See also List of bridges by length List of bridge megaprojects Expressway Controlled-access highways in Thailand
References
External links
The Bang Na Expressway (1,1 MB PDF-file with plans and photos)