Short Span Bridges

by Kneeland A. Godfrey, Jr., (M.ASCE), Editor; Civil Engineering Magazine, ASCE World Headquarters, 345 East 47th Street, New York City, NY.,

Serial Information: Civil Engineering—ASCE, 1975, Vol. 45, Issue 7, Pg. 42-46

Document Type: Feature article


Short span bridges, seemingly simple and innocuous structures, in fact embody many interesting problems and developments: The need to replace hundreds of thousands of bridges (safety and capacity shortcomings), in the face of inadequate public works budget. Developments of corrugated steel, arched spans (based orginally on the culvert pipe idea) up to 50 ft long. Newish concrete and steel box-girder structural ideas. Bridge deck deterioration that is one of the most serious technical problems facing the highway engineer. Laminated timber decks that aren't affected by salt. New abutment wall design that eliminates the bump at bridge's end. Bridge bearings and jacking ideas save money.

Subject Headings: Span bridges | Structural safety | Bridge decks | Highway bridges | Bridge abutments | Bridge design | Budgets | Steel pipes

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