Kutai Kartanegara Bridge

The Kutai Kartanegara Bridge (also known as the Mahakam II Bridge) was an Indonesian suspension bridge that was located on the island of Borneo in Kalimantan Timur, crossing the Mahakam River and connecting Tenggarong and Samarinda.

Kutai Kartanegara Bridge
Kutai Kartanegara Bridge, prior to the November 2011 collapse. (April 27, 2011)
Coordinates0.444433°S 117.00288°E / -0.444433; 117.00288
CrossesMahakam River
LocaleEast Kalimantan, Indonesia
Official nameKutai Kartanegara ing Martadipura Bridge
Characteristics
DesignSuspension bridge[1] (original) Arch bridge[1] (new)
MaterialSteel[1]
Total length710 m[1]
Longest span270 m[1]
Clearance above5 m
Clearance below15 m[2]
History
Constructed byPT Hutama Karya
Construction start17 August 1995 (original)
10 April 2013 (new)
Construction end2001 (original)
November 2015 (new)
OpenedEarly 2002 (original)
7 December 2015 (new)
Collapsed26 November 2011 (original)

The 710-metre-long bridge, which featured a 270-metre-long suspended section, was intended to resemble San Francisco's Golden Gate Bridge. Construction on the bridge commenced in 1995 and was completed in 2001.[3] It was the longest suspension bridge in Indonesia.[2]

On 26 November 2011, the bridge collapsed only ten years after it was completed, killing at least 20 people and injuring 39.

The bridge was constructed by state-owned builders PT Hutama Karya[3] at a cost of Rp 150 billion (US$16.4 million).[4]

Collapse

On 26 November 2011 at 9:59pm (local time),[5][6] while workers were performing maintenance on the bridge, a support cable snapped[3] and the structure suffered a catastrophic failure. The roadway fell into the 50-metre-deep Mahakam River below, leaving only the two bridge towers and some support cables remaining. At least 20 people were killed[7] and 40 were injured,[5] with an additional 19 people reported missing.[7]

A replacement arch bridge was built in 2013 and formally opened in December 2015.

Gallery of images after the 2011 collapse
  • View from the main road
  • Remains of the bridge
  • North view
  • The two remaining pillars
gollark: If I build an *identical* house in the same place, with all the same contents, somehow, I don't care that much.
gollark: I see.
gollark: Indisputable how?
gollark: I mean, that would imply that your consciousness was particularly tied to those exact atoms, which would be... odd, I don't know.
gollark: *Would* you notice? That seems to assume some things.

References
  1. "Kutai Kertanegara I Suspension Bridge | Structurae". en.structurae.de. 2011. Retrieved 28 November 2011.
  2. "DSI > Markets > References > First use of 63.5 mm dia. GEWI ® Bar in Indonesia". dywidag-systems.com. 2011. Archived from the original on September 12, 2011. Retrieved 28 November 2011.
  3. "At least 3 dead and scores injured as Indonesia's 'Golden Gate Bridge' collapses". NBC News. 2011-11-26. Retrieved 2011-11-29.
  4. Arnaz, Farouk; Agus Triyono (2011-11-29). "Materials, Planning Eyed in Bridge Collapse". The Jakarta Globe. Archived from the original on 2013-02-04. Retrieved 2011-12-02.
  5. "Collapsed bridge death toll rises to 19". The Jakarta Post. 2011-11-30. Archived from the original on 2011-12-02. Retrieved 2011-12-02.
  6. "Hunt for survivors after Indonesia bridge collapse". ABS-CBN News. 2011-11-27.
  7. "Plans to Build New $33 million Bridge After Disaster". The Jakarta Globe. 2011-12-01. Archived from the original on 2011-12-02. Retrieved 2011-12-02.


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