Two-story Bridge

IL the plans of Boston's municipa.1 authoritics do not misearry, Bunker Hill day, on June 17 next, will witness the celebration of the opening of one of the latest examples of the bri builder's handicraft. The structurc is the new bridge to Charlestown, noteworthy from the fact that the drawbridge openingB in the center of it are the widest in the ,workl, and also tliat it is two stories, provisión having T)een made by the engineers who draughted the plans for an elevated track over Which thfe "electrics" ave to run. Charlestown street- one of the approaches to the bridge - is to be widened from 60 to 92 feet. And when the alterations to the approaches have all boen completcd the appearance of the part of the town lying near the bridge will be altered greatly. The Fitchburg railroad tracks on the Charlestown sido will be lowered to pass under the stiucture, and the low wooden buildings on both shorea will be torn down. The present bridge, just east of the new one, will be removed, but the Warren bridge, west of the strueture, will be kept in operation. The new bridge is 935 reet long. There are ten stone piers in addition to the two abutment piers and eleven spaces. The two openings in the draw are each fifty feet wide, and the clear head room underneath it ia not less than 23 feet above mean high water. Each of the granite piers is built upon piles, as many as 5GS having been driven for one foundation. Including land damages, the total cost will be $1,250,000.