The daily Minnesota pioneer. [volume] (St. Paul, Minn.) 1854-1855, 1855-05-02
BRIDGES OVER SNAKE AND KETTLE
RIVERS.

BRIDGES OVER SNAKE AND KEITH
RIVERS.
CEALED PROPOSALS will be received by the un
- deIsisned, through the Post Office otherwise,
uli ~ O'Clock A NJ on the 18th of May next, for fur
nshine the materials for, and the construction Of
BRIDGE OVER SNAKE RIVER;
and of
BRIDGE OVER KETTLE RIVER
On the Point Douglas and 81. Louis Rirer Road.
BRIDGE OVER SNAKE RIVER
This bridge will be Of single span of from
l60 to $50 feet. as may be required, have
two trnsses, each 20 feet high roadway Is feet wide
the whole be built principally of inch plank arran-
ged in Chords posts and braces and streng
by the addition of arch braces all of which are to be
fastened together by inch treenais pins, and "a
inch bolts.
The abntments, which will be of such height may
be required ten feet, i'll be made of large square
timber, properly joined and pinned together.
The amount OF lumber required in the superstructure
will be $4,000 feet, board measure less The
amount ofmber required in tke abuments will be 500
running feet less. The number of pins reQur-
ed in the bridge will be 1860, the number of spikes 6OO
the number of screw bolts 2OO average length 81 l-2
inches, total weight, inclusive of nuts 637 lbs number
Of cast iron washers AGO. total weight 800 lbs all more
or less.
BRIDGE OYER KETTLE RIVER.
This bridge will be composed of portions the first
to be of single span Of &c feet have two trusses 16
feet high roadway Is feet wde TIE whole to be built
Of middlng sized timbers, which may all he either
ed or hewed may be most convenient arranged in
Chords end braces and be joined together by
means ofmOtices, pins and wedges. The second por-
ton to be simple reste work of spans of Is feet each
pier for support of north end of main bridge.
The amount of lumber required in the portion
exclusive of the holsters at the exreites, will be 25
coo ee b0ard measure, more or less number Of "a
inch pins 220, number of 81 inch bolts A. weighing,
with nuts, 1872 lbs number of iron washers So,
weight IS pounds all mere or less.
The amount of lumber required in the restle portion
inclusive OF the holsters of the truss portion, and the
tresle pier main bridge, will be 1853 feet. board
MEASURE more or less, number of inch pins 49,
or less.
1t being impossible to give in few words Il sufficient
ly clear description of the in which these bridges
to be built, persons desirOus OF bidding will call and
see the drawings and specifications OF the same at the
Office of the undersigned.
The materials for the OF aach bridge must be
white pine, of good quality, free from sap shakes
dead knots, or any imperecons calculated diminish
their strength or durability The pins blocks, and
wedges be white burr oak OF the best quality
and well seasoned The abutments and restles may
of pine, white or burr oak.
The whole construction to be under the direction
Of the engineer agent in charge the part of the
United States and 10 be subject such alterations and
notifications by him the cnse in his judgment may
require.
For the sake economy, and at the time for the
benefit of the contractor the bridges will be let
one contract, and will be bid for separately follows
Snake Rirvr Bridge.
l. The superstructure OF this bridge by the thousand
feet Of lumber, board measure, built in the bridge.
g. The abutments by the running foot of timber built
in the abutments.
s. The bolts used in the bridge, inclusive of the nuts
by the pound
4. The iron washers used in the bridge, by the
pound.
katie Riwr Bridge.
The truss portion of this bridge, exclusive of the
holsters the eXremities by the tn ousand feet of um
her, board measure, built in the truss portion.
2 The tresle portion, inclusive of the bOsters and
reste pier Of main BRIDGE by the thousand feet Of lum
Der, board measure, built in the trestle portion.
8. The bolts. inclusive of the nuts, used in the
portion of the bridge, by the pound
4. The cast iron washers, by the pound.
The Snake River Bridge to be completed by the ls of
September next. The Kettle River Bridge by the LIST Of
November next.
The will be given to the lowest responsible
bidder oh the two Bridges, and in he should de-
cline fail to sign the after due notice that his
bid has been accepted the right is reserved of grant
ing the contract to the next lowest responsible bidder,
or to readverse for proposals. Bonds will be given,
il required.
The contract will be subject to the approval of the
Secretary of War.
The proposals should be endorsed proposals for
Bridges over Snake and Kettle Rivers"
J. II. SIMPSON,
Capt. Corps Top1 Eng'rs.
Office Gent Govt Roads, ct. Paul, Mimi, April 10,
1855 ltdawtimayl