306 FIFTIETH CONGRESS. Sess. I. Ch. 628. 1888. the interests of navigation, at a int at or near the city of Muscatine, Iowa, and to lay on or over saidxbridge a track or tracks for the more perfect connection of any railroad or railroads that are or shall be constructed to said river, on either or both sides thereof, at or opposite said point, under the limitations and conditions hereinafter provided; that said bridge shall not interfere with the free navigation of said river Human. beyond what is necessary, and in case of any litigation arising from any obstruction or alleged obstruction to the free navigation of said river,the cause maybetried before the circuit court of the United States in and for any district in whose jurisdiction any portion of said bridge or obstruction may be. Said bridge shall be constructed to provide muwny,w¤z¤¤.¤¤¢1 for the passage of railroad trains, and for the safe and convenient ‘°°‘ """°‘ passage of wagons and vehicles of all kinds, animals, and foot passengers, for such reasonable rates of toll as may be fixed from time mw- to time by the Secretary of War: Provided, That the plroviso regarding wagons, animals, foot passengers, and so forth, s all not affect Location. the location of said brid e in its relation to the interests of navigation. C¤¤¤*¤‘¤°“°°· Sec. 2. That any bridze built under the provisions of this act may, at the option of the company building the same, be built as a draw- Pr¤~·i~•<>·~ bridge or with unbroken and continuous spans: Provided, That if Spurs. the said bridge shall be made with unbroken and continuous spans, it shall have one or more channel spans, each having not less than three hundred and fifty feet clear channel-way, and not less than fifty-five feet clear head-room above high-water mark, and the clear head-room under other than channel-spans may be less than fifty- five feet: Provided, That no part of the superstructure of such spans ¤¤*¢¤*>· M- shall give a less head-room than ten feet above high-water mark: ‘ And provided further, That the interests of navigation be not injured b such reduction in height: And provideagtfurther, That if any bridge built under the provisions of this act sh lbe constructed mw. as a draw-bridglthe same shall be constructed as a pivot drawbridge, which s l have two or more draw openings, each having not loss than two hundred feet clear channel-way, and in addition to said draw-openings, shall have one or more fixed channel-spans, each having not ess than three hundred and iift feet clear channel-way; and every of the superstructure of said low bridge shall give a clear head-room of not ess than ten feet above hi h-water mark: Location ntsvsns Provided, That all spans of both high and low bridges shall be so located as to afford the greatest possible accommodation to the river traffic, and a draw opening of the low brid e shall, if practicable, be located next or near the shore: Provided ago, That in case of a low Length otspaus bridge, if the physical characteristics of the locality so require. and the interests o navigation be not injured thereby, the lengths of the fixed spans, or the nuuiber of drawbpenings, may be reduced: Proumn openings vided. also, That for any two adjacent draw·openin s of two hundred feet one draw-opening of three hundred feet maybe substituted, if the interests of navigation be not injured thereby· and the iers of said bridge shall be parallel with the current of the river wlhere said bridge s all be erected. and the bridgxe itself at right angles there- ·3x>=>¤i¤s ¤!r¤¤*· to: And provided also, That said draw s all be opened romptly upon reasonable sigrpal for the passage of boats, except when trains are passing over the draw: but in no case shall unnecessary delay occur in opening the said draw during or after the passage of trains. mranwcnnrzaigcrurc Sec. 3, That any} bridge constructed under this act and according °°°°' to its limitations s all be a lawful structure, and shall be known as a post-route and the same is hereby declared to be a post-route, upon w ich also no higher charge shall be made for the transmission over the same of the mails, the troops, and the munitions of war of the United States, and for passengers or freight passing over said bridge, ` than the rate per mile paid for their traugiportation over the railroads and public highways leading to said bri e; and e ual privileges in the use of said bridge shall be granted to all telegraph companies: and
