FIFTIETH CONGRESS. Sess. II. Ch. 357. 1889. 789 _ Sec. 2. That said br1dge_shall be built with a draw, so as not to mw. impede the navigationof said river; said draw shall be a pivot-draw, over the channel of said river usually navigated, near the Wisconsin shore, and giving a clear width of water-way of not less than two hundred feet on each side of the central or pivot pier of the draw, and in addition to said draw openings shall have one or more fixed chan-· Sims. nel—spans, each having not less than three hundred and fifty feet clear channel-way, and every part of the superstructure of said bridge shall g1V9 a clear_head—room of not less t an ten feet above high-water mark: Provided, That all spans shall be so located as to aiford the gg3e0S- f greatest possible accommodation to the river traffic, and a draw open— me ° spam' mg shall, if practicable, be located next or near shore: Provided, also, That if the physical characteristics of the locality so require and the size. interests of navigation be not injured thereby, the lengths of the fixed spans or the number of draw-openings may be reduced: Provided, also, That for every two adjacent qpenings of two hundred feet each, one draw opening of three hundred eet may be substituted if the . interests of navigation be not injured thereby: Provided, That said draw shall always be opened promptly upon reasonable signal, and openuig mw. said corporation shall maintain at its own expense, from sunset to sunrise, such lights or other signals on said bridge as the Light-House Lights, ew. Board shall prescribe: And provided further, That no bridge shall be` ` built under the provisions of this act except there also be built at the Aids m mwgamm. ' time of the erection of the iers proper sheer-booms, or other proper protections, to safely guide lboats, vessels, rafts, and other water—craft through said draw-spans and the raft·spans of said bridge. Sec. 3. That any bridge authorized to be constructed under this act www; War w shall be built and located under and subject to such regulations for °”"°"°p ’°°°‘ the security of navigation on said river as the Secretary of War shall prescribe; and to secure that object the said corporation shall submit to the Secretary of War, for his examination and approved, a desi n and drawings of the bridge and a map of the location, giving, for the space of one mile above and one mile below the proposed location, the topo raphy of the banks of the river, the shore-lines at extreme high and low water, the direction and strength of the currents at all stages, and the soundings, accurately showing the bed of the stream, and shall furnish such other information as may be required for a full and satisfactory understandin of the subject; and said bridge shall not be built until the plan am? location thereof are approved by the Secretary of War, but when so approved the work on said bridge and . the approaches thereto, and the accessory works, may be commenced and rosecuted to completion: Provided, That as nearly as practica- ‘ Prwicos. ble the said bridge shall be at right a11gles to, and the piers parallel with, the current of said river: And rovided fu rther, That any change Changes. in the mode of construction of saido bridge shall be first submitted to the said Secretary for his approval, and when approved the said corporation may then roceed with the construction in accordance with said change. Andppravided, also, That if said bridge when con- rqoccoobszmcz nm. structed shall, in the opinion of the Secretary of War, be a substan- g““°“· tial obstruction to the navigation of said river, the said Secretary shall require said corporation to change the construction thereof, or to remove the same entirely, so as to avoid any serious and substan— ‘ tial obstruction to the navigation of said river at the expense of the ' owners of said bridge. Sec. 4. That the bridge hereby authorized shall be a lawful mgewfggagctufs structure, and shall be a post-route upon which no higher charge ms ' shall be made for the transportation of the mails of the United States and the troops and munitions of war, or for passengers or freight passing over said bridge, than the rate per mile paid to railroads and transportation companies leading to said bridge, and it shall enjoy the rights and privileges of other post-roads in the United States.
