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HomeEventsASCE SEI Philly - CN Rainy Lake Bridge Rehabilitation Location (1 PDH)

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ASCE SEI Philly - CN Rainy Lake Bridge Rehabilitation Location (1 PDH)

Thursday, December 9, 2021, 12:00 PM until 1:00 PM
Lunchtime Webinar
Additional Info:
Affiliate Group Training
Registration is required
Payment In Full In Advance Only


CN Rainy Lake Bridge Rehabilitation Location:

Webinar – Link will be sent to registrants


$10 - Members and Non-Members

FREE - Government Employees and Students



Constructed in 1913, Canadian National’s bascule bridge located near Fort Frances, ON is an excellent example of an early Strauss Overhead Counterweight structure. After 100 years in service, the bridge was noted to be experiencing wear between two critical elements – the counterweight post and the lifting truss. Condition inspection of the structure accompanied with a LIDAR 3D survey of the bridge indicated that the wear being experienced was a result of wear within the counterweight trunnion bushings. Tasked with the rehabilitation design, AECOM developed plans for replacement of the counterweight trunnion bushings as well as means for supporting the 1,100 kip counterweight while the counterweight bushings were replaced. Located on an island which is only accessible by rail, the remote location of this structure presented logistical challenges for access in addition to limited laydown area.


Jonathan R. Eberle, PE

Jon is the Operations Manager for AECOM’s Movable Bridge Practice and supports design of fixed and movable bridges. He received his B.S. in Civil Engineering from Bucknell University in 2010 and also holds a M.S. in Civil Engineering from Virginia Tech. Jon was the structural task lead for the rehabilitation design of the CN Rainy Lake bridge.


Please email: “phillysei+meeting””gmail””com”