I-40 Bridge Collapse Analysis

I-40 Bridge Collapse, the Aftermath
Project Overview: 
The I-40 Bridge, approximately 2,000 feet long, spans the McClellan-Kerr Arkansas River at Webbers Falls, Oklahoma. On May 26, 2002, a barge traveling upstream on the Arkansas River collided with one of the bridge piers resulting in the collapse of a portion of the bridge (approximately 500 feet long) and subsequent fatalities to fourteen (14) motorists crossing the bridge.
McLaren's Role: 
McLaren was retained to evaluate the structural condition of the bridge and to assess the damage. Several teams of McLaren engineers were mobilized to perform underwater and topside inspection of the bridge and to collect data for use in evaluating the accident as part of a forensic investigation. McLaren was responsible for investigation of the bridge failure, oversight of the demolition procedures, preparation of documents summarizing the events, and assessment of the causes of the collapse. A sophisticated non-linear pushover analysis was performed using several software packages, to model and reconstruct the accident. Energy analysis was also developed to assess energy absorbed by the barge, pier, and superstructure.
Service: 
Computer Modeling/Accident Re-creation
Service: 
Underwater Bridge Inspection
Service: 
Collision Impact Mitigation
Service: 
Investigative Report Preparation
Service: 
Cost Estimating
Service: 
Dynamic Analysis
Location: 
Webbers Falls, Oklahoma
Client: 
Magnolia Marine Transport Company
Project Type: 
Forensic Investigation
Role: 
Prime
Contract Period: 
2002-2004
Construction Cost: 
N/A
Image: 
76a - I-40 Bridge Collapse (computer re-enactment).jpg
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76b - I-40 Bridge Collapse (computer renactment).jpg
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76c - I-40 Bridge Collapse (computer re-enactment).jpg

Location
Webbers Falls, Oklahoma

Client
Magnolia Marine Transport Company

Our Role
Prime
Project Type
Forensic Investigation

Contract Period
2002-2004

Construction Cost
N/A
Services
Computer Modeling/Accident Re-creation
Underwater Bridge Inspection
Collision Impact Mitigation
Investigative Report Preparation
Cost Estimating
Dynamic Analysis