by fourcegroup | Jun 3, 2026
TRRA Merchants Bridge Client Walsh Construction Owner Terminal Railroad Association Location St Louis, MO about Hoisting Analysis of Existing Structure. Barge Stability Analysis. Truss Erection Plan. Demolition Analysis. Temporary Falsework Design. On-site field...
by fourcegroup | Jun 3, 2026
Sarah Long Bridge Demolition Client Atlantic Coast Dismantling Owner Maine DOT Location Portsmouth, NH and Kittery, ME about Demolition Sequencing of Lift Span, Counterweight and Lift Towers Stability of Barges during truss span removal Deck removal analysis...
by fourcegroup | Jun 3, 2026
BNSF Des Allemands Swing Span Replacement Client OCCI Owner BNSF Railroad Location Des Allemands, LA about Engineered short-duration bridge replacement using span float-in / float-out techniques Barge stability analysis & floatation engineering Engineered gantry...
by fourcegroup | Jun 3, 2026
Long Island Bridge Demolition Client Walsh Construction Owner City of Boston Location Boston, MA about Truss Analysis for Float Out Condition Flasework Design Barge Stability Analysis Barge Lashing Design Approach Truss Pre-cutting Analysis for Explosive Dem...
by fourcegroup | Jun 3, 2026
Broadway Bridge Client Massman Construction Owner Arkansas Department of Transportation Location Little Rock, AR about Demolition Demolition plan for 93-year-old concrete arch and steel arch structures Structure evaluation for support of multiple excavators Pier...
