Seongsu Bridge disaster

Coordinates: 37°32′14″N 127°02′06″E / 37.53722°N 127.03500°E / 37.53722; 127.03500
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Seongsu Bridge disaster
The picture is taken from a vantage point above the bridge disaster. The middle section of the bridge is missing, and spectators with umbrellas can be seen observing the collapsed section of the bridge which is floating in the water. Multiple small boats and kayaks can be seen crowding around the collapsed section of the bridge. There is a large crowd of people seen standing on the collapsed section of the bridge, along with a severely damaged bus, van, and car.
Site of the Seongsu Bridge disaster
DateOctober 21, 1994 (1994-10-21)
Time7:38 a.m. KST
LocationSeoul, South Korea
Coordinates37°32′14″N 127°02′06″E / 37.53722°N 127.03500°E / 37.53722; 127.03500
CauseStructural failure caused by faulty welding and rusted extension hinges; exacerbated by insufficient maintenance and failure to prevent the propagation of fatigue cracks
Deaths32
Non-fatal injuries17
Convicted17 convicted, including:
Charges
  • Criminal negligence resulting in death, injury, general obstruction of traffic, and automobile accident
  • Forgery and use of forged public documents
  • Forgery and use of forged private documents
VerdictGuilty
SentenceSentences ranging from 6 months to 3 years imprisonment

The Seongsu Bridge disaster[a] was a deadly bridge collapse that occurred on the morning of October 21, 1994 in Seoul, South Korea. 32 people died and 17 were injured when a section of the upper truss of the Seongsu Bridge collapsed onto the Han River. A combination of faulty welding, rusted extension hinges, and insufficient maintenance resulted in the structural failure of the bridge.

The Seongsu Bridge opened in 1979 and was the 11th bridge constructed over the Han River, connecting the northern Seongdong District to the southern Gangnam District. The bridge became one of the busiest bridges in Seoul and was built as part of military dictator Park Chung Hee's plan to develop the region south of the Han River (known as Gangnam).

Seventeen Seoul Metropolitan Government, Dongbu Corporation, and Dong Ah Construction [ko] officials were convicted in connection to the collapse. The Mayor of Seoul Lee Won-jong [ko] and his successor Woo Myoung-kyu [ko] both resigned in response to the disaster. On November 10, 2000, the Dong Ah Group, the parent company of Dong Ah Construction, filed for bankruptcy and the company dissolved on May 11, 2001. The collapse was part of a string of disasters during the modernization of South Korea, including a fire on board a sightseeing boat in 1987, the sinking of MV Seohae, the crash of Asiana Airlines Flight 733 and the Gupo Station rail accident in 1993, and the Daegu gas explosions and Sampoong Department Store collapse in 1995.[1][2]

Background[edit]

Construction for the Seongsu Bridge began on April 9, 1977, and was completed on October 15, 1979, by the Dong Ah Construction Industrial Company [ko] at a cost of 11.58 billion won (equivalent to ₩69 billion in 2017[3]).[4] At the time, foreign firms were excluded from construction contracts, stretching thin domestic construction companies who faced increasing demand as a result of military dictator Park Chung Hee's development plan south of the Han River.[5][6] The cantilever bridge had four lanes of traffic, a width of 19.4 m (64 ft), and spanned 1,160 m (3,810 ft). The speed limit on the bridge was 60 km/h (37 mph). The bridge was praised for its focus on its aesthetics in addition to functional considerations, setting it apart from other bridges built at the time.[7] The bridge became the 11th bridge constructed over the Han River and alleviated traffic on the nearby Yeongdong and Hannam bridges.[8]

Two years earlier, the Second Haengju Bridge collapsed during construction with no casualties.[9] Later that year, the Changseon Bridge [ko] (창선대교; 昌善大橋) in Namhae, South Gyeongsang Province, collapsed under similar circumstances as the Seongsu Bridge.[10] At the time, bids for construction projects frequently went to companies that promised the fastest construction, incentivizing cheap and rushed construction at the expense of safety.[11][12] Dong Ah Construction's bid for the Seongsu Bridge's construction contract was half the price of its expected cost at the time.[13] The rushed construction of the bridge was attributed as a negative consequence of South Korea's ppalli ppalli (빨리빨리; lit. quickly, quickly) culture.[14]

The Seongsu Bridge linked the Seongdong District north of the river to the southern Gangnam District and was one of the busiest bridges in Seoul.[9][15] Following the development of the Gangnam region, the number of vehicles using the bridge increased exponentially to 160,000 vehicles per day.[16][17] The bridge connected to the Seoul Olympic Highway to the south.[18] During the 15 years from its construction to its collapse, the Seongsu Bridge had never been subject to a detailed inspection because it was less than 20 years old and inspections had focused solely on aging structures.[19]

Collapse[edit]

View of the missing bridge section from the Han River below the Seongsu Bridge. The day is cloudy, and there is a small crowd on the edge of the bridge. There are many boats and people crowding the collapsed section of the bridge, including a crane.
The bridge after the collapse

On October 20, 1994, at 9:30 p.m. KST the evening before the collapse, workers for the Seoul Metropolitan Government laid a small steel plate onto a seam on the bridge, 50 m (160 ft) away from the site of the eventual collapse, to cover up a large gap that had formed at the joint.[18] Repairs for the bridge had been scheduled for that day but were postponed due to bad weather.[9]

On Friday, October 21, at 6:00 a.m., drivers filed a report after seeing cracks in the bridge, but the city government dismissed the reports, saying that the crack had been repaired through the installation of the steel plate.[20]

At 7:38 a.m., during the beginning of the morning rush hour, a 48 m (157 ft) span on the north side of the Seongsu Bridge suddenly gave way into the Han River 20 m (66 ft) below.[9][21][22] Survivors of the collapse compared the sound of the collapse to thunder.[23][24] Traffic was flowing at a speed of 40 km/h (25 mph), and a total of six vehicles were involved in the incident, including a police van and a commuter bus carrying 31 occupants.[25] The police van carried 11 police and auxiliary police officers, that were selected as model officers for Police Day [ko] celebrations that day.[23] Heavy rain the night before the collapse reportedly reduced the number of vehicles on the road at the time.[21] The collapse sent two cars and the police van down with the bridge, while an additional two cars fell into the river.[23] The Number 16 bus operated by the Hansung Transportation Company [ko] was traveling North from Seoul Grand Park to Beon-dong and had nearly crossed the span when the bridge collapsed. The collapse caused the rear of the bus to tilt over backwards and plummet onto its roof, crumpling to half its size.[20][25]

Victims[edit]

Thirty-two people were killed in the disaster[b] including 29 victims on the Number 16 bus, which held 31 people when it fell. Among the dead were the bus driver and nine students from the Muhak Girls' High School [ko] and the Muhak Girls' Middle School [ko] in the Haengdang neighborhood of Seongdong District.[25][26] Two of the victims on the bus survived the fall, but died waiting for first responders.[27] The victims were treated at six hospitals, including the National Police Hospital [ko], while the 32 dead were enshrined at 15 hospitals throughout Seoul.[c][28][29] Among the victims was Adele Aida, a 40-year-old undocumented immigrant from the Philippines who was traveling to a meeting of Filipinos in Korea.[30][31] Initial reports incorrectly reported over 40 deaths after police reports mistakenly combined the list of the dead and the injured.[29]

Rescue[edit]

View of rescue operations from on the collapsed section of the bridge. First responders are wearing orange uniforms, and a helicopter is visible flying above the bridge.
Rescue operations

The 11 police and auxiliary officers in the police van that fell with the bridge became the first to respond to the disaster. The officers undressed and used their clothes to tie a rope, saving a total of 10 drowning people.[23][24] First responders arrived more than 20 minutes after the collapse, and rescue operations began at 8:10 a.m. KST.[20][25] The late response of the first responders drew public ire and was the result of call center employees mistaking emergency calls for prank calls.[21][17] These rescue operations were carried out by 30 officers and members of the Seoul Metropolitan Police and the Han River Patrol (한강순찰대) and consisted of two helicopters, three barges and 10 yawls.[32] At 9:40 a.m., 20 divers from the Sea Salvage & Rescue Unit [ko] of the Korean Navy arrived at the scene to recover bodies from the river.[32]

In response to the collapse, a total of 1,500 people were mobilized from the Seoul Metropolitan Police Agency, the Korean Armed Forces, and the Seoul Metropolitan Fire Service.[25] The rescue team included 150 underwater exploration special forces from the fire service.[25] Rescue efforts were hampered by rain, tides, and heavy traffic.[9]

Initial reaction[edit]

Officials initially stated that they believed the collapse occurred as a result of long-term excessive load on the bridge, culminating in the fracture of a rusted connection hinge.[33][34] Vehicles carrying loads greater than their maximum capacity were regularly passing through the bridge.[35] This led to a crackdown on overloaded vehicles over the Hangang Bridge out of fear of a similar collapse.[35] A KBS News investigation the following day found that the Seongsu Bridge, along with the Dongho Bridge and the Hangang Bridge, suffered from rushed construction. In their report, KBS News noted that severely rusted steel on the bridges had been painted over, bolts were missing from the bridges, and segments of the bridges were only welded on the outside.[36] Following the collapse, it was also revealed that the Seoul Metropolitan Government had planned to expand the bridge from four to five lanes through a reversible lane.[19]

Investigations[edit]

On July 13, 1995, the Seoul District Prosecutor's Office published the 471-page White Paper on the Activities of the Seongsu Bridge Collapse Incident Investigation Team, analyzing the causes of the bridge collapse.[37] The white paper concludes that the direct cause of the collapse was the poor welding of the vertical members of the bridge, which connected the suspension trusses to the anchor trusses.[38] It notes that had the vertical members been welded correctly, increases in load would not have caused the fatigue stress to exceed reasonable limits and that fatigue failure would not have occurred.[39] Radiographic testing carried out following the collapse found that 110 out of the 111 connections in the bridge were filled with defects and that welds often only penetrated 2 to 8mm when the beams were 18mm thick.[40]

The white paper further notes that had the Seoul Metropolitan Government and the Dongbu Corporation properly inspected the bridge and carried out basic repairs, the collapse would have been unlikely to occur.[41][42][43] The report concluded that as a result of the poor construction and maintenance of the bridge, in the worst case scenario, the collapse of the bridge could have occurred within three years of construction.[42][44] The white paper found no flaws in the design of the bridge itself.[45]

In addition, the frequent use of inexperienced subcontractors, the lack of a system to monitor discrepancies in design and construction, the management of construction by non-technical officials, and rampant corruption were all listed as exacerbating factors in the collapse.[42] Maintenance of the bridge was neglected due to limited fiscal resources, and connecting pins used in the bridge had become heavily rusted.[4][46] At the time, due to the lack of domestic technical skills in steel plate welding, Dong Ah Construction hired a Zainichi Korean to manage the Bupyeo steel factory (부평공장). However, when his insistence on inspecting the welds led to delays, he was fired.[14]

The original white paper was criticized for publishing the names, genders, resident registration numbers, addresses, and occupations of the victims, omitting only the personal information of the minors and eleven police officers. In addition, the exact compensation received by each of the deceased victims' families was released in the original white paper.[47]

Legal proceedings[edit]

97 Criminal Appeal Trial No. 1740
CourtSupreme Court of Korea
DecidedNovember 28, 1997 (1997-11-28)
Citation(s)Supreme Court Decisions Official Report (판례공보) 1998.1.1. (Vol. 49), page 184
Case history
Prior action(s)Appealed from

Seoul Central District Court Sentenced 1997.6.11., 95 Criminal Appeal Trial No. 2918

Original Judgement

Seoul District Court [Sentenced 1995.4.20., 94 Criminal Individual First Trial No. 8478, 8479, 8480, 8481, 8482 (Collective)]
Case opinions
All appeals dismissed unanimously. Five defendants found guilty as joint principals of criminal negligence causing death, injury, general obstruction of traffic, and automobile accident.
97 Criminal Appeal Trial No. 1741
CourtSupreme Court of Korea
DecidedNovember 28, 1997 (1997-11-28)
Citation(s)Supreme Court Decisions Official Report (판례공보) 1998.1.1. (Vol. 49), page 191
Case history
Prior action(s)Appealed from

Seoul Central District Court Sentenced 1997.6.11. 1995 Criminal Prosecution Case Number 3004

Original judgement

Seoul District Court Sentenced 1995.4.20., 94 Criminal Individual First Trial No. 8274, 8280 (Collective)
Case opinions
All appeals dismissed unanimously. Of eleven defendants: ten found guilty of criminal negligence; eight found guilty of forgery of public documents and use of forged public documents; three found guilty of forgery of private documents and use of forged private documents.

Immediately following the collapse, prosecutors launched a criminal investigation into Dong Ah Construction.[48] Four days later, prosecutors found damage reports submitted in February and April to the Seoul Metropolitan Government by the Dongbu Corporation, which was responsible for bridge maintenance and repair.[49] These reports stated the steel girders supporting the Seongsu Bridge were in urgent need of repair and included photographs of the damage on the bridge.[48][50][51] On October 26, prosecutors arrested the head of the city government's construction office and six other Seoul City officials for falsely reporting that the bridge was safe without performing the required daily checks.[52][53] In the end, the Seoul District Prosecutor's Office's investigation would lead to 17 arrests in connection to the collapse: four Seoul Metropolitan Government officials, seven Dongbu Corporation officials, and six Dong Ah Construction officials.[54] Prosecutors decided against arresting former mayor of Seoul Lee Won-jong [ko], stating that they did not find evidence that he was ever informed of the imminent collapse.[53][55]

The 17 defendants were tried collectively at the 7th Seoul Criminal District Court under Judge Kim Dong-hwan (김동환), and proceedings began on December 15, 1994.[56][54] Defendants from Dong Ah Construction were charged with criminal negligence resulting in death, injury, the obstruction of traffic, and an automobile accident. Defendants from the Seoul Metropolitan Government and the Dongbu Corporation were additionally charged with forgery of public documents, use of forged public documents, forgery of private documents, and use of forged private documents.[57] Defendants from Dong Ah Construction argued that the five-year statute of limitations for negligent manslaughter had passed because the bridge had been built 15 years ago. However, the judge ruled that the statute of limitations for criminal negligence began on the date of the accident and not the date of construction,[58] a decision appellate courts would later uphold.[59] The officials testified that they were not aware of any poor construction.[60] On April 20, 1995, the district court convicted 16 defendants while acquitting construction site manager Shin Dong-hyun (신동현; 申東賢), ruling that Shin was not in a position to be aware of any defects in the welding of the bridge.[54] Sentences varied from ten months to three years imprisonment, but were suspended by the judge who argued that the defendants had already served six months and should not be punished further for poor construction that had been carried out 15 years ago.[54][61] Seoul District Prosecutors appealed the decisions, and the case was taken to the Seoul Central District Court.[54]

The criminal appeal was held under Judge Han Jung-duk (한정덕; 韓正悳). On June 11, 1997, the appeals court reversed the lower court's ruling, convicting Shin Dong-hyun and sentencing him to two years imprisonment.[58] Former production manager of Bupyeo Steel factory Park Hyo-su (박효수; 朴孝洙) was sentenced to two years imprisonment, having previously been serving a suspended sentence of five years' probation from three years imprisonment.[62] Yeo Yong-won (여용원; 呂勇元), the former director of the Dongbu Construction office in Seoul, was sentenced to one year six months imprisonment, having previously been serving a suspended sentence of four years' probation from two years imprisonment.[62] Sentences for all other defendants were reversed to their original lengths of ten months to three years imprisonment, two to five years' probation, and fines of 5 million won each (equivalent to ₩9 million in 2017[3]).[62] In December 1995, between the decision of the first court and the appeals court, an amendment to the law reduced the punishment for forging public documents to a fine. In particular, the former head of the city's road construction office Lee Shin-young (이신영; 李臣永) was the only defendant not convicted with negligent manslaughter. Thus, in June 1997, Lee's sentence was reduced from two years' probation, suspended from one year imprisonment, to a fine of 5 million won.[63]

The former head of the city's road maintenance office Kim Jae-seok (김재석) was sentenced to one year and six months imprisonment and three years probation. Construction supervisors for the city of Seoul Kim Seok-gi (김석기) and Lee Woo-yeon (이우연) were sentenced to one year and six months imprisonment and three years' probation while Lee was sentenced to one year imprisonment and two years' probation. Former Vice President Kim Myeong-nyeon (김명년) and public affairs manager Jang Rae-ik (장래익) of Dong Ah Construction were both sentenced to two years imprisonment and five years' probation.[58] Technical director of Bupyeo steel factory Lee Kyu-dae (이규대) was sentenced to three years imprisonment and five years' probation.[62]

The defendants appealed the ruling, and the case was taken to the Korean Supreme Court.[62] In South Korea, the Supreme Court can only consider appeals with regards to the law and cannot alter sentencing. Defendants argued that they were not individually responsible for the bridge collapse because no individual action had caused the bridge to collapse. Between the appeals court ruling and the Supreme Court ruling, one defendant died. On November 28, 1997, the Supreme Court upheld the convictions of all 16 defendants[64] and accepted the lower court's ruling that the Dong Ah Construction Industrial Company was guilty of criminal negligence in its poor construction of the bridge.[59]

Aftermath[edit]

An estimated 5,000 vehicles had to be redirected onto arterial roads, causing traffic congestion lasting until 11 p.m. that night.[65] Following the disaster, Prime Minister Lee Yung-dug offered his resignation, but President Kim Young-sam declined, stating that changing safety measures was more important than changing people.[66] In contrast, the resignation offer of Lee Won-jong, the Mayor of Seoul, was accepted at 7 p.m. that day. He would be replaced by Governor of North Gyeongsang Province Woo Myoung-kyu [ko] on October 31 before being replaced again by Choi Byung-ryeol 11 days later, when it was revealed that Woo had been Deputy Mayor [ko] when internal reports had questioned the safety of the bridge.[67][50][68]

The Sampoong Department Store collapse nine months later would kill 502 people and injure 937 more

Kim held a meeting with his cabinet on October 23 calling for the elimination of deficient companies from the construction industry and the revision of laws to increase the depth and breadth of inspections. The next day, Kim appeared on national television in his second official apology of his term.[69] In his address, he stated that the rapid development of South Korea since the 1960s had brought both positive and negative outcomes, and that his government would promise to minimize all risks to Koreans. He then apologized, stating that the disaster was the result of his own lack of virtue and that he recognized the issues in the management system brought to light by the collapse.[1][70] Nevertheless, the Sampoong Department Store collapsed nine months later, becoming the deadliest peacetime disaster in South Korean history.[71] The recurrence of major disasters during the Kim Young-sam administration gave his government the popular nickname "Disaster Republic [ko]".[72] In response to the bridge disaster, opposition parties in the National Assembly called on members of Kim's cabinet to resign, raising motions of no confidence which were voted down.[1]

The Seoul Citizen's Day celebrations set for the week after the bridge collapse were postponed.[73] On November 30 of that year, newspaper clippings documenting the disaster were included in the Seoul Millennium Time Capsule [ko] which marked the 600th anniversary of the capital city of Seoul.[16]

On November 10, 2000, the Dong Ah Group [ko], the parent company of Dong Ah Construction, filed for bankruptcy and dissolved six months later, on May 11, 2001.[13]

Compensation[edit]

The Cabinet paid 4 million won (equivalent to ₩8 million in 2017[3]) in compensation to each of the families of the 32 people who died in the incident. In addition, the Cabinet paid for the medical expenses of the injured and compensated them in consultation with their families, with the exception of the police officers.[73][24] The Temporary Workers Friendly Association of Korea (비근로자 한·비친선협) and the Lotte Welfare Foundation also provided compensation to the family of Adele Aida through the Philippine embassy.[74] Many of those who survived the disaster have reported to have had permanent psychological trauma from the incident.[24]

View from a bike trail below the new Seongsu bridge. The bridge is red and supported by concrete pillars. The sky is mostly clear with a few clouds and bright.
The new Seongsu Bridge, built at the same location

Impact[edit]

The collapse prompted the Seoul Metropolitan Government to begin a more thorough safety assessment of the 14 other bridges that crossed the Han River and into whether the Seongsu Bridge could be safely fixed.[73] As a result of these investigations, the Dangsan Railway Bridge was closed for reconstruction on December 31, 1996, being re-opened to the public on November 22, 1999.[75]

On January 5, 1995, in response to the disaster, the Special Act on the Safety Management of Structures was passed, which expanded the frequency and scope of inspections.[76][77][78] In July of that year, the Disaster Control Act would be passed, a response to the deadly collapses of the Seongsu Bridge and the Sampoong Department Store.[79]

Although the city government initially planned to repair and reopen the Seongsu Bridge to traffic within three months, this plan was reversed following public outcry.[7][80] Starting on April 26, 1995, the remainder of the bridge was dismantled, and construction for the new bridge began in March 1996 under Hyundai Engineering & Construction. Construction for the replacement bridge would cost 78 billion won (equivalent to ₩134 billion in 2017[3]), about 6.8 times the original price.[7][81] The new bridge was opened to the public on July 3, 1997, by Mayor Cho Soon, and a memorial was held on the bridge.[4][20][82]

Memorial[edit]

The Memorial Stone for the Victims of the Seongsu Bridge Disaster (Korean성수대교 사고 희생자 위령비) was erected on October 21, 1997, by the families of the Seongsu Bridge disaster victims. The memorial commemorates the victims of the disaster and aims to raise awareness on the safe management of public infrastructure.[7] The memorial is located in the middle of Gangbyeon Expressway on the north side of the bridge, and has been criticized for its inaccessibility by foot.[16][7] In August 1999, a father of a Muhak Girls' High School student who died in the Seongsu Bridge disaster died by suicide in front of the memorial.[83][20] Memorials are held at the stone every year, and a 20th anniversary memorial service was held at the stone in 2014.[20][84]

In popular culture[edit]

Gallery[edit]

See also[edit]

Notes and references[edit]

Notes[edit]

  1. ^ Korean성수대교 붕괴 사고; Hanja聖水大橋崩壞事故; RRSeongsudaegyo bunggoe sago
  2. ^ The dead included eight students from Muhak Girls' High School (Cho Su-yeon (조수연), Hwang Seon-jeong (황선정), Bae Ji-hyeon (배지현), Paek Mi-jeong (백미정), Choi Yang-hui (최양희), Jang Se-mi (장세미), Lee Ji-hyeon (이지현), and Lee Yeon-su (이연수)), Muhak Girls' Middle School student Lee So-yun (이소윤), bus driver Yu Seong-yeol (유성열), Seoul Police officer Lee Jeong-su (이정수), Seoul National University of Education student Lee Seung-yeong (이승영), Hanyang Girls' Middle School teacher Jang Yeong-o (장영오), two teachers at Anam Elementary School (Choi Jeong-hwan (최정환) and Yoon Hyeon-ja (윤현자)), Philippine national Adele Aida (아델아이다), as well as Seong Bong-sik (성봉식), Kim Gwang-su (김광수), Kim Joong-sik (김중식), Paek Jeong-hwa (백정화), Moon Ok-yeon (문옥연), Kim Won-seok (김원석), Yoo Jin-hwi (유진휘), Kim Dong-ik (김동익), Song Geun-jong (송근종), Ji Soo-yeong (지수영), Yoo Sang-hae (유상해), Kim Yong-nam (김용남), Kim Jeong-jin (김정진), Lee Deok-yeong (이덕영), Lee Hong-gyun (이홍균), and Lee Gi-pung (이기풍).
  3. ^ The dead were enshrined at the Gangnam City Hospital (강남시립병원), the Gangdong Catholic Hospital (강동 카톨릭병원), the Bangjigeo Hospital (방지거병원), the Halla Hospital (한라병원), the Hanyang University Hospital [ko], the Soonchunhyang Hospital (순천향병원), the Central Hospital [ko], the Dong-Ah Hospital (동아병원), the Yongsan Company Hospital (중대 부속 용산병원), the Hyemin Hospital [ko], the Kangdong Sacred Heart Hospital [ko], the Gangnam St. Mary's Hospital [ko], and the People's Hospital (민중병원).

References[edit]

  1. ^ a b c Pollack 1994
  2. ^ Kim 2017, p. 180
  3. ^ a b c d 1906 to 1911: Williamson J. (1999), Nominal Wage, Cost of Living, Real Wage and Land Rent Data for Korea 1906-1939 1912 to 1939: Mizoguchi, T. (1972). Consumer Prices and Real Wages in Taiwan and Korea Under Japanese Rule. Hitotsubashi Journal of Economics, 13(1), 40-56. Retrieved May 21, 2021. Afterwards, consumer price index from Statistics Korea. Consumer Price Index by year. Retrieved 3 April 2018
  4. ^ a b c "Collapse of Seongsu Bridge", National Emergency Management Agency
  5. ^ Wearne 2000, p. 112
  6. ^ Koo 2022, p. 76
  7. ^ a b c d e f 전, 상봉 (October 20, 2014). "'성수대교 붕괴' 20년... 그때는 이럴 줄 몰랐다" [20 years since the 'Seongsu Bridge collapse'...we didn't know it would turn out like this back then] (in Korean). OhmyNews. Archived from the original on February 18, 2023. Retrieved February 18, 2023.
  8. ^ Lee, Joo-hee (March 30, 2010). "Han bridges tell stories of past, present". The Korea Herald. Archived from the original on December 4, 2022. Retrieved February 19, 2023.
  9. ^ a b c d e "32 Reported Dead as Bridge Collapses in Seoul", Reuters 1994
  10. ^ 지, 종간 (July 31, 1992). "경남 남해군 창선대교 붕괴사고 붕괴위험 무시" [Namhae, South Gyeongsang province Changseon Bridge collapse disaster, ignored the risk of collapse] (in Korean). MBC News. Archived from the original on February 19, 2023. Retrieved February 19, 2023.
  11. ^ 김 & 김 1994
  12. ^ Kim 2017, p. 174
  13. ^ a b "[그땐그랬지⑪] 성수대교 붕괴와 동아그룹의 몰락". 파이낸셜투데이 (in Korean). December 9, 2016. Archived from the original on March 1, 2023. Retrieved March 1, 2023.
  14. ^ a b 장, 민창 (August 30, 2021). "성수에서 학동까지… 사회적 참사는 '현재 진행형'" [From Seongsu to Hakdong...societal disasters are "still ongoing"]. 중대신문사 (in Korean). Archived from the original on February 28, 2023. Retrieved February 24, 2023.
  15. ^ 황 1994
  16. ^ a b c d 강, 혜란 (September 7, 2019). "[사소한 발견] 꼭꼭 숨은 성수대교 위령비, 우리 기억도 함께 봉인됐다" [Small Discovery: The well-hidden Seongsu Bridge memorial stone that's preserving our memories]. JoongAng Ilbo (in Korean). Archived from the original on February 18, 2023. Retrieved February 18, 2023.
  17. ^ a b 하 et al. 2022
  18. ^ a b 배 & 이 1994
  19. ^ a b "「상판 틈」 2주전 알고도 숨겼다/붕괴 성수대교" [「Crack in the bridge」 It was known 2 weeks ago but it was hidden/Collapse of the Seongsu Bridge]. Seoul Shinmun (in Korean). October 22, 1994. Retrieved March 13, 2023.
  20. ^ a b c d e f [꼬꼬무 55회 요약] 대한민국 최악의 참사, 순식간에 무너진 '성수대교 붕괴 참사' | 꼬리에 꼬리를 무는 그날 이야기 (SBS방송), SBS, archived from the original on February 22, 2023, retrieved February 24, 2023
  21. ^ a b c 이 & 이 1994
  22. ^ Kim, Yong-kyun; Sohn, Hong-Gyoo (2018), "Disaster Response Policy Change in the Wake of Major Disasters, Labeled Focusing Events", Disaster Risk Management in the Republic of Korea, Disaster Risk Reduction, Singapore: Springer Singapore, pp. 113–190, doi:10.1007/978-981-10-4789-3_5, ISBN 978-981-10-4788-6, PMC 7123650
  23. ^ a b c d 유 & 이 1994
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  25. ^ a b c d e f "'꽝' 소리와함께 떨어진 출근길 날벼락" [The thunderbolt that fell with a 'ggwang' noise on the way to work]. Naver News (in Korean). Yonhap News Agency. October 21, 1994. Archived from the original on February 17, 2023. Retrieved February 17, 2023.
  26. ^ 임, 동근 (October 17, 2020). "[순간포착] 가을 아침, 믿을 수 없었던 '성수대교 붕괴참사'" [[Capturing the Moment] An autumn morning, the unbelievable 'Seongsu Bridge Collapse Disaster'] (in Korean). Yonhap News Agency. Archived from the original on February 20, 2023. Retrieved February 20, 2023.
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  29. ^ a b 하 & 이 1994
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  31. ^ "성수대교 붕괴 20년, 필리핀 불법 체류자의 억울한 사연" [20 Years After Seongsu Bridge Collapse, Unfair Stories of Illegal Immigrants from the Philippines]. Aju Business Daily (in Korean). Archived from the original on March 13, 2023. Retrieved March 13, 2023.
  32. ^ a b ""우지끈..." 순간 차량 무더기 강으로/성수대교 붕괴" ["Clumsy..." Cars suddenly falling into the river / Seongsu Bridge collapse]. Kukmin Ilbo (in Korean). October 21, 1994. Archived from the original on March 15, 2023. Retrieved March 13, 2023.
  33. ^ "7 Held in Seoul Disaster", Reuters 1994
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  36. ^ 황 & 김 1994
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  38. ^ Kim 2017, p. 174: "The direct cause of the collapse was poor welding of vertical members, which were the core elements to connect suspension truss to anchor truss."
  39. ^ Seoul National University Department of Civil Engineering 1995, p. 345: "직접적인 원인으로는 최초 원인을 제공한 수직재 용접 불량과 유지관리 부실이 주된 원인임이 밝혀졌다. 수직재의 용접이 제대로 되었으면 교통량 증가나 과적차량(초과하중)의 통행이 있어도 9장에서 검토한 내용에서 보면 피로응력이 허용응력내에 있을 뿐 아니라 피로시험 결과에서 나타나듯이, 피 로파괴는 일어나지 않는다."
  40. ^ Kim 2017, p. 174: "After radiographic investigation tests, among 111 connections of the bridge, 110 were identified with defects. Compared to the 18 mm thickness of vertical member, the actual depth of penetration was only 8 mm, and the available depth of penetration of some was merely 2 mm."
  41. ^ Seoul National University Department of Civil Engineering 1995, p. 345: "그러나 교량의 점검과 진단, 유지관리를 철처히 하여 수직재의 균열 등 결함을 사전 발견하여 근본적인 보수를 하였어도 붕 괴는 일어나지 않았을 것이다."
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Sources[edit]

Books[edit]

Journals and magazines[edit]

Newspaper articles[edit]

White paper released by the Seoul District Prosecutor's Office[edit]

Websites and television[edit]