Nanpu Bridge

{{Short description|Bridge in Shanghai, China}}{{Infobox bridge

| name = Nanpu Bridge

| native_name = 南浦大桥

| native_name_lang = zh

| image = Nanpu Bridge 2.jpg

| caption =

| official_name = Nanpu Dàqiáo

| carries = 7 lanes (road traffic)

| crosses = Huangpu River

| location = Zhongqiu Jhiazhai, Shanghai, China

| maint =

| opened = 1991

| id =

| design = Cable-stayed bridge

| mainspan = {{convert|423|m|ft|0}}

| length = {{convert|8359|m|ft|0}}

| height =

| coordinates = {{coord|31|12|27|N|121|30|03|E|type:landmark}}

}}

The Nanpu Bridge ({{zh|t=南浦大橋|s=南浦大桥|p=Nánpǔ Dàqiáo}}), in Shanghai, China, sister bridge to the Yangpu Bridge, is one of the main bridges in Shanghai, forming part of Shanghai's elevated inner ring road.{{Cite book |last=Xiang |first=Zhongfu |url=https://www.google.nl/books/edition/70_Years_of_China_s_Bridges/IezqEAAAQBAJ?hl=en&gbpv=1&dq=nanpu+bridge+spiral&pg=PA78&printsec=frontcover |title=70 Years of China’s Bridges |last2=Xu |first2=Wei |last3=Liu |first3=Anshuang |last4=Meng |first4=Fanchao |date=2023-12-23 |publisher=Springer Nature |isbn=978-981-99-2878-1 |language=en}}

The cable-stayed bridge was designed by the Shanghai Municipal Engineering Design Institute, Shanghai Urban Construction College, and Shanghai Urban Construction Design Institute, with assistance from Holger S. Svensson. The engineering of the bridge is noted as the start of modern long span cable-stayed bridge construction in China.{{Cite journal |last=Ma |first=Biao |last2=Lin |first2=Yuanpei |date=2009 |title=Cable-Stayed Bridges in Shanghai where Chinese Recent Major Bridges Launched |url=https://structurae.net/en/literature/id/10048643 |journal=IABSE Workshop Shanghai 2009 |pages=201–211 |doi=10.2749/222137809796089250|url-access=subscription }}{{Citation |last=Yang |first=Yeong-Bin |title=Bridge Engineering in Chinese Taipei |date=2013-10-11 |work=Handbook of International Bridge Engineering |pages=1087–1124 |editor-last=Chen |editor-first=Wai-Fah |url=http://www.crcnetbase.com/doi/abs/10.1201/b15520-25 |access-date=2025-02-20 |publisher=CRC Press |language=en |doi=10.1201/b15520-25&type=chapterpdf |isbn=978-1-4398-1029-3 |last2=Chang |first2=Dyi-Wei |last3=Dzeng |first3=Dzong-Chwang |last4=Huang |first4=Ping-Hsun |editor2-last=Duan |editor2-first=Lian}} The construction cost amounted to RMB 820 million.{{Cite book |url=https://www.google.nl/books/edition/97_Shanghai_Basic_Facts/TV9tYdI9ty0C?hl=en&gbpv=1&dq=nanpu+bridge+spiral&pg=PA47&printsec=frontcover |title='97 Shanghai Basic Facts |date=1997 |publisher=五洲传播出版社 |isbn=978-7-80113-225-3 |language=en}}

It has a main span of 428 meters (1,388 ft), shorter than its sister bridge. It is the 57th longest cable-stayed bridge in the world, opened to the public in 1991.{{cite web |url=https://m.thepaper.cn/baijiahao_15681180 |title=南浦大桥，三十而立 |language=zh |work=澎湃 |publisher=上海东方报业有限公司 |date=2021-12-04 |accessdate=2024-02-11 }}{{failed verification|date=March 2024}}

File:Nanpu_Bridge_(134396069).jpeg

The bridge's double spiral approach on the Puxi side was listed as the world's largest, with a diameter of 180 meter and a total distance of 7.5 km.{{Cite book |last=Records |first=Guinness World |url=https://www.google.nl/books/edition/Guinness_World_Records_2015/rBd4BAAAQBAJ?hl=en&gbpv=1&dq=nanpu+bridge+spiral&pg=PA184&printsec=frontcover |title=Guinness World Records 2015 |date=2014-09-11 |publisher=Guinness World Records |isbn=978-1-908843-70-8 |language=en}}

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