Affiliation: | 1Civil Engineer, Bureau of Bridges and Structures, Illinois Dept. of Transportation, 2300 South Dirksen Pkwy., Springfield, IL 62764. E-mail: TOBIASDH@nt.dot.il.gov. 2Bureau Chief, Bureau of Bridges and Structures, Illinois Dept. of Transportation, 2300 South Dirksen Pkwy., Springfield, IL 62764. 3Unit Chief (retired), Bridge Standards and Specifications, Bureau of Bridges and Structures, Illinois Dept. of Transportation, 2300 South Dirksen Pkwy., Springfield, IL 62764. 4Special Projects Engineer, Bureau of Bridges and Structures, Illinois Dept. of Transportation, 2300 South Dirksen Pkwy., Springfield, IL 62764. 5Structural Standards Engineer, Bureau of Bridges and Structures, Illinois Dept. of Transportation, 2300 South Dirksen Pkwy., Springfield, IL 62764.
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