Crossing of new parkway in New Jersey with Pennsylvania RR at Iselin required moving of bridge into new position since no interruption of traffic was permissible; 2-span plate girder bridge, 167 ft long, was built on rolling in bents in two complete halves; power for moving bridge was supplied by four 2-drum gasoline hoists; typical construction stages illustrated. (See also Civ Eng (NY) v 20 n 1 Jan 1950 p 47-9; Eng News-Rec v 143 n 26 Dec 29 1949 p 23-5)
1400-ton railroad bridge is pulled into position in 30 minutes
Ry Gaz
Railway Gazette ; 92 , n 22
1950
3 pages
Aufsatz (Zeitschrift)
Englisch
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