Lincoln Park Bridge Restoration


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Title: Lincoln Park Bridge Restoration

Author(s): James Fanson and Edward Cohen

Publication: Concrete International

Volume: 13

Issue: 6

Appears on pages(s): 50-52

Keywords: bridge decks; bridges (structures); compressive strength; corrosion tests; deterioration; renovating; repairs; structural design; General

Date: 6/1/1991

Describes restoration of an art deco-style concrete pedestrian bridge constructed in 1936. A combination of nature, use of deicing salts, vandalism, and deferred maintenance had caused extensive deterioration of the nonair-entrained concrete. Freezing and thawing had delaminated most of the outside face of the centerspan girders. Three concrete mixes were used to match the various naturally exposed aggregate finishes of the existing concrete. Random cracks throughout the bridge were filled by pressure injection of epoxy compounds and a latex-modified concrete overlay was placed on the deck.