Contractor Perspective on ABC – SHRP2 R04 Spotlight on IL 115 Gar Creek Bridge Lateral Slide

September 20, 2018 1:00 pm

Pamela Hutton, P.E., SHRP2 Implementation Manager, AASHTO; Erik R. Tobey, Estimating/Operations Manager, Tobey’s Construction & Cartage, Inc.; and Dale R. Meredith, Estimating/Project Manager, Tobey’s Construction & Cartage, Inc.

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Announcements: This portion of the webinar will provide you with the latest happenings related to ABC in the US and abroad to keep you informed. (10 minutes)

Featured Presentation: Contractor Perspective on ABC – SHRP2 R04 Spotlight on IL 115 Gar Creek Bridge Lateral Slide (35 Minutes)

Description:  This is the third of three presentations hosted by the ABC-UTC in 2018 in collaboration with SHRP2, an AASHTO / FHWA / TRB partnership. This presentation highlights a contractor's perspective on an ABC Accelerated Innovation Deployment (AID) Demonstration project. The Illinois (IL) 115 Gar Creek Bridge in District 3, Kankakee County, Illinois, was replaced using the lateral slide (slide-in bridge construction) method. The existing single-span precast box beam bridge, built in 1976, was replaced with an 82-ft-long, 36-ft-wide, single-span rolled steel beam with composite deck superstructure supported on steel H-piles with precast concrete caps in the semi-integral abutments. The new bridge superstructure was constructed next to the existing bridge and then rolled into place during a 72-hour roadway closure window. The construction contractors provide their perspective on the ABC used in this project. Design and construction details and lessons learned will be discussed.

Presentation Photos/Graphics:

1) Setting precast abutment cap on piling

2) Hydraulic roller jack system used for the lateral bridge slide

3) Lateral slide – transition from the temporary bent onto the new precast abutments

4) Completed Bridge

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