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The Wabash Bridge over the Chicago River will reopen to traffic Friday afternoon after a $9 million reconstruction that began in April 2002.

The bridge, built in 1930, received a complete overhaul, including new structural steel, concrete-filled grating and sidewalks. The mechanical and electrical systems also were renovated, and the bridge houses were restored.

The Wabash Bridge is a double-leaf trunnion bascule bridge, which means it opens with one end rising while the other falls.