Public works . and includesseven arch spans varying from 176 to 110 feet is being built by the County Commissioners ofHampden County for highway and streetcar trafficat a total cost of about four million dollars. Fay,Spoflford & Thorndike are the designing engineers,and H. P. Converse & Co. is the principal contractor. The superstructure consists of seven five-rib two-hinge parabolic one-arch river spans of reinforced The bridge was authorized by the legislature in1915, but the final plans were not completed by theSpecial Bridge Commission until 1919. Active workon construction was com
Public works . and includesseven arch spans varying from 176 to 110 feet is being built by the County Commissioners ofHampden County for highway and streetcar trafficat a total cost of about four million dollars. Fay,Spoflford & Thorndike are the designing engineers,and H. P. Converse & Co. is the principal contractor. The superstructure consists of seven five-rib two-hinge parabolic one-arch river spans of reinforced The bridge was authorized by the legislature in1915, but the final plans were not completed by theSpecial Bridge Commission until 1919. Active workon construction was commenced in April, 1920; about90 per cent, had been completed February 1st, 1922,and it is expected that the bridge will be opened fortraffic about the first of August next. SPECIAL FLOATING EQUIPMENT Supply scows, barges, derricks, lighters and otherplants of suitable size could not be brought up theriver because of the small size of the locks at Wind-sor, hence eight 18x75x7-foot scows or lighters con-. DREDGE FOR PIER EXCAVATING. concrete, and a viaduct with nine reinforced concretefloor slab spans over the adjacent railroad yard, asdescribed in Public Works for May 20-27. The substructure for the river section, which is1,182 feet long, is of granite-faced concrete withwooden pile foundations built in wooden sheet pilecofi^erdams, constructed in pits dredged to a maxi-mum dejith of 25 feet below mean low water in thesand and gravel of the river bed. taining 280,000 feet of Oregon fir were built at animprovised shipyard and launched. These were usedsingly for transporting materials from the HampdenPark yard to the bridge site, and two of them fas-tened together formed a lighter. Gasoline towboats and lighters were brought bythe contractor from a previous job at Norfolk, thelighters being so large that they were cut in twolongitudinally, and sometimes transversely, passed 417 418 PUBLIC WORKS Vol. 52, No. 23
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectmunicip, bookyear1896
