68 FOIKTY-EIGHTH CONGRESS. Sxsss. I. Ch. 149. 1884. of the river. The lowest part of the superstructure of said bridge shall be at least fifty feet above extreme high-water mark, as understood at the point of location, and the bridge shall be at right angles to and its Proviao. piers parallel with the current of the river: Provide d, That if the same Draw-bridge. shall be constructed as a drawbridge, the draw or pivot pier shall be at or near that shore nearest the channel of the river where, in the opinion of the Secretary of War, the passage through the draw at that point can be consistently maintained ; if not so constructed, then the draw-pier to be in the main channel, and the opening or passageway to be so protected that water-craft can be worked through it by lines when not safe to pass otherwise; and the spans shall not be less Pi¤¤· than one hundred and sixty feet in length in the clear, and the piers of said bridge shall be parallel with and the bridge itself at right angles to the current of the river, and the spans shall not be les than ten feet above extreme high-water mark, as understood at the point of location, Proviao. to the lowest part of the superstructure of said bridge: Provided also, That said draw shall be opened promptly upon reasonable signal for the passing of boats; and said company or corporation shall maintain, at Lights and nig- its own expense, irom sunset till sunmse, such lights or other signals on ¤•1¤· said bridge as the Light-House Board shall prescribe, and such sheerbooms 01- other structures ta; may be necessary 3: safely guide vessels, rafts and other water-cm through the said ra.w·openings, and as shall’be designated and required by the Secretary of War. No bridge shall be erected or maintained under the authority of this act which Nujigation not shall at any time substantially or materially obstruct the free navigation
- ° b° *¤*°¤'¤P*°d· of said river; and if any bridge erected under such authority shall, in
the opinion of the Secretary of War, obstruct such navigation, he is hereby authorized to cause such change or alteration of said bridge to Alzeratious at be made as will effectually obviate such obstruction; and all such alter- °¤P°¤¤° 0* °°¤¤· ations shall be made and all such obstructions be removed at the exp""' Bense oitheéawnerimrdowners or of the persons or corporation control- 'ngsuc ri ge. n in caseo any litigation arising irom any obstruction or alleged obstruction to the free navigation of said river caused or alleged to be caused by said bridge, the case may be brought in the circuit court of the United States of the State of Missouri in which any portion of said obstruction or bridge may be located: Provided further, That nothing in this act shall be so construed as to repeal or modify any of the provisions of law now existing in reference to the protection 0; the navigation of rivers, or to exempt this bridge from the operation 0 the same. other mgmws 51:0. 4. That all railroad companies desiring the use of said bridge to have privileges shall have and be entitled to equal rights and privileges relative to the °*` *>¤dS°· passage of railway trains over the same, and over the approaches thereto, upon payment of a reasonable compensation for such use; and in case the owner or owners of said bridge, or persons or corporation controlling the same, and the several railroad companies, or any of them, desiring such use, shall fail to agree upon the sum or sums to be paid, and upon rules and conditions to which each shall conform in using said bridge, all matters at issue between them shall be decided by the Secretai y of War, upon ahearing of the allegations and proofs of the parties. Plans and loca- Sec. 5. That any bridge authorized to be constructed under this uct tion to be mb- shall be built and located under and subject to such regulations for the g32f::;' 50S32x8g:; security of navigation of said river as the Secretary of Wnr shall prems‘ai)Pmva]_ scribe; and to secure that object the said company or corporation shall submit to the Secretary of War, for his examination and approval, a design and drawings of the bridge and a map of the location, giving, for the spawe of one mile above and one mile below the proposed location, the topography of the banks of the river, the shore—lines at high and low water, the direction and strength of the currents st all stages, und the soundings, accurately showing the bed of the stream, the location of any other bridge or bridges, and shall ihrnish such other information as may be required for a tnll and satisfactory understanding
