Page:United States Statutes at Large Volume 25.djvu/120

 74 FIFTIETH CONGRESS. Sess. I. Ch. 53. 1888.
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April 2, 1888- CHAP. 53.--An act regulating the construction of bridges over the Muskingum """T*‘_” River, in Ohio. Be it enacted by the Senate and House of Representatwes of the 0,{¤¤¤¤8*¤¤ Rim'- United States of America in Congress assembled, That any person or Allhmmymbmp. corporation having lawful authority to erect a bridge or bridges ~ across the Muskingum River, Ohio, between its mouth and Dresden, may hereafter erect brid es across said river for railroad or other uses upon com liance with the provisions and requirements of this act, but no bridge shall be erected across said river which does not comply therewith. _ ¤¤¤¤¤·¤¤¤<>¤· Sec. 2. That ever bridge hereafter erected across the Muskingum River, Ohio, shall have its axis at right angles to the current at medium and high stages, and its piers shall bmarallel to this current. No riprap or other outside protection for ins cient foundations will be rmitted around the c annel piers, and all coder-dams, pihng, andybther temporary works must e removed bly the owners of the bridge before it is o n to trathe. Every such ridge may be built either as a draw-bridge or as a continuous bridge ; If uilt as a draw- Draws bridge, the draw span shall give two clear openings, measured on the low water line, of eighty- eet, and smooth crib work or masonry shall be built at right angles to the bridge extending upstream from the pivot pigr, a distance of at least one hundred feet, an down stream the sametance, and the height of this protectiogpier shall not be less than four feet above highest  stage. e channel sides of the channel piers shall be smoothly cut; the corners of the draw piers shall be rounded to a radius of not less than six inches; there shall be no projecting cornices on the piers, nor projecting footwazf on the draw span; the apparatus for swinging the draw shall be su - iicient to open it in not more that five minutes; and the draw shall be prompt y opened on signal. · The location of the draw span shall be subject to the approve of the Secretary of War. spun. Sec. 3. That if the bridge be built as a continuous bridge it shall have at least one channel span, the center of which shall be in the - middle of the channel usually run in high stages by steamboats descending the river with barges or rafts in tow; said channel span to have a clear opening of two undred and fifty feet, measured at the low-water line, and the lowest part of the span to be forty feet above highest navigable water, as determined by a straight line connecting the tops of the lower lock gates at the head and foot of the pool in which the bridge; is to be built. The other spans may have such g"§d°S “" 'i·‘{‘P} t"”“°d‘ d 1 tt d Ap musrorper- EC. 4. a W enever any u au orize ersons or co rations '“*"*gc;’t""""°· shall determine to apply; to the Secretar of Mar for perlnlihsion to build a bridge across the Muskingum lliver, they shall first 've public notice of said intention by publication, once a week for fdur weeks, in newspapers having a wide circulation, in not less than two newgpapers (pu lished in towns on the Muskingum River below Dre en, an in not less than two news apers published in Pitts- P¤¤¤L;*¤E ·· *0 ¤¤·g, burgh. They shall also submit to the Secretary of War, for his wu-. examination and approval, a design and drawing of the bridge and piers, and a_map o the locality, on the scale of one inch to one hunred feet, giving for the space of one-quarter of a mile above and one-quarter of a mile below the site of the pro sed bridge, the topography of the banks of the river, the line ofxlow and highest navigab e water, an accurate representation of the bed of the river by contour lines, two feet apart, determined by accurate soundings; and shall also show over the whole width of this part of the river, the force and direction of the currents at low water, and at high navigable stages, Thy triangulatedfobservations on suitable floats. The map shall also s ow the location of all bridges, locks, and dams, coal tipples, breakwaters, and other structures within the hi h- water nes in the designated area. Said map and drawings shalgbe