Page:United States Statutes at Large Volume 24.djvu/180

 FORTY-NINTH CONGRESS. Sess. I. Ch. 775. 1886. 145 touches. Said bridge shall be constructed to provide for the passage of railroad trains, and for the passage of wagons and vehicles of all kinds, for the transit of animals, and for foot-passengers, for such reasonable rates of toll as may be fixed from time to time by the Sec- Tolls. _ retary of War: Provided, That the proviso regarding wagons, animals, Promo. foot-passengers, and so forth, shall not influence the location of said Location. bridge in its relation tc the interests of navigation. Sec. 2. That any bridge built under the provisions of this act may, Construction. at the option of the company building the same, be built as a drawbridge or with unbroken and continuous spans: Provided, That if the Promos. said bridge shall be made with unbroken and continuous spans, it shall Spans. give clear head-room of not less in any case than fiftydive and one-half feet above extreme high-water mark, as understood at the point of location, nor shall the spans of said bridge give a clear width of water-way of less than two hundred and fifty feet, and the piers of said bridge shall be parallel with the current of said river, and the main span shall be over the main channel of the river and give a clear width of water-way of not less than three hundred feet: And provided further, That if any bridge built under the provisions of this act shall be constructed as a _ draw-bridge, the same shall be constructed as a pivot draw-bridge, with Draw. a. draw over the main channel of the river at an accessible and navigable point, and with spans giving a clear width of waterway of not less than one hundred and sixty feet on each side of the central or-pivot pier of the draw, and the next adjoining span or spans to the draw shall give a clear width of water-way of not less than two hundred and fifty feet: Provided, That if the pivot-pier of said bridge shall be constructed L o o a t i o n or within less than four hundred and ten feet of the east shore of said Pi"°t‘Pi°I'- river, the span constructed east of said pivot-pier may be less than two hundred and fifty feet, and said spans shall give clear head-room of not less than thirty feet above low-water mark, and not less than ten feet above extreme high-water mark and the piers of said bridge shall be parallel with the current of the river where said bridge shall be erected: And provided also, That said draw shall be opened promptly upon rea- Opening draw. sonable signal 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. In the event that the bridge herein provided ior, or any part thereof, shall be constructed within seven hundred and nity feet south of the present bridge between Dubuque and East Dubuque, any expenditures that may hereafter be made by the owners of the bridge now constructed for the purpose of ~ guarding against casualties by floods or ice, and made either north of P; ¤ t ¤ ¤ f iv ¤ the present bridge or around the piers of the same, shall be borne in 3g$:“2f?£“g°bY equal parts by the two companies, respectively, and paid for as the ' work progresses.; and any expenditures which have been made or that may be hereafter made for the purpose of complying with existing laws or laws hereafter enacted for the protection of navigation, by means of sheerbooms or otherwise, shall be borne equally by the two companies aforesaid; Provided, That in the location of the piers of said bridge, if made within seven hundred and fifty feet, due regard shall be had to the existing structure, and said piers shall be so constructed as not to increase the danger of the same either from hoods or ice. ` Sec. 3. That any bridge constructed under this act and according to To be a hwful its limitations shall be a lawful structure, and shall be known as a post- °¤’”;:*“’°““d P°°“' route, and the same is hereby declared to be a post-route, upon which mu ’ 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, or for passengers or ireight passing over said bridge, than the rate pe1· mile paid for their transportation over the railroads and public high- ‘ WBYS leading to said bridge; and the United States shall have the right {"°¤*¤l *°l°g¤Ph of way for postal-telegraph purposes across said bridge. _ _ Sec. 4. That all railway companies desiring to use said bridge shall 0*1}**** °°*PPl;m:’§ have and be entitled to equal rights and privileges in the passage of Q_’ay_‘“'° ng srnr L—VOL xxW--·l0