Rock Solid Replacement

by Lance Peterman, Jr., P.E., (M.ASCE), Bridge Section Manager; HDR, Inc., Chicago, IL,
Brandon Chavel, S.E., Ph.D., Bridge Section Manager; HDR, Inc., Cleveland, OH,
Jared Cababe, P.E., Senior Bridge Engineer; HDR, Inc., Plymouth Meeting, PA,
, P.E.


Serial Information: Issue 7, Pg. 74-81

Document Type: Feature article


The replacement for the bridge in Illinois that carries Interstate 270 over the Chain of Rocks Canal was designed around myriad challenges, from avoiding a nearby levee to withstanding seismic loads and barge hits. The sleek and efficient crossing, which is one of the largest steel plate I-girder bridges in Illinois, keeps traffic moving without blocking maritime vessels on the mighty Mississippi.

Subject Headings: Rocks | Solid mechanics | Seismic loads | Steel plates | Bridge design | Steel bridges | Seismic design | Canals | Hydraulic design | North America | Illinois | United States | Mississippi

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