G.T.R. betterments, construction, etc.

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Rideau Canal bridge, Ottawa.—The company has in course of renewal the swing bridge over the Rideau Canal, which is situated west of Rideau Jct., where the line branches westward. The present bridge was built about 25 years ago. It consists of a single track plate girder span of equal arms and swings by hand power. The length over all is 106 ft. 9 ins., seven feet deep at centre, and two feet deep at the ends. This bridge was designed for a uniform live load of 3,000 lbs., per lineal foot. The new structure will be a similar kind of bridge, 120 ft. overall, 7 1/2 ft. deep at centre, and 3 1/2 ft. deep at the ends with a sustaining capacity double that of the present bridge, and it will be operated by an electric motor. On account of the heavier concentrated loading both the pivot and rest piers are being entirely rebuilt in concrete. The Dominion Bridge Co., is the contractor for the new superstructure, and the entire work is under the supervision of H. G. Kelley, Chief Engineer.

Railways: G.T.Ry.

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