Building New Bridges from Oldby James C. Tillitt, (M.ASCE), Pres.; Wheeler & Tillitt, Inc., Minneapolis, Minn.,
Serial Information: Civil Engineering—ASCE, 1978, Vol. 48, Issue 6, Pg. 109-110
Document Type: Feature article
The Duluth, Missabe and Iron Range Railway Co. needed a new 150-ft (64-m) two-span railroad bridge. Minimum time and low cost were the demands. In response, the designers used steel girders and decks from two old bridges. The solution lead to a $150,000 saving (original cost estimate $500,000) and completion four months ahead of schedule. The bridges that furnished the steel remained open and in use during the removal period. Today the donor bridges are still doing the job they have for the last 70 years.
Subject Headings: Infrastructure construction | Bridges | Steel bridges | Railroad bridges | Bridge decks | Rail transportation | Girder bridges | Bridge design | Span bridges | Iron (material)
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