The daily Minnesota pioneer. [volume] (St. Paul, Minn.) 1854-1855, 1855-05-03
BRIDGES OVER SNAKE AND KEITH IL,
RIVERS.

CEALED PROPOSALS will be received by the un
- dersigned, through the Post Office otherwise
TIL lO O'Clock A. NJ. the l2th of May for fur
nishins the materials for, and the construction of
BRIDGE OVER SNAKE RIVER
and of
ABRIDGE OVER KETTLE RIVER
On the Point Douglas and ST. Louis Rrer Road
BRIDGE OYER SNAKE RIVER
This bridge will be of single span of from
l6O to $50 feet, may be required, have
trusses, each 20 feet high roadway l6 feet wide
the whole to be built principally of inch plank,
ged in chords, posts and braces and be
by the addition of arch braces, all of which to bt
fastened together by inch treenails pins, and 81
inch bolts.
The abutments, which will be of such height may
be required feet, will be made of large square
timber, properly Joined and pinned together.
The amount OF lumber required in the superstructure
will be SIS 900 feet, board measure, less The
amount OF timber required in the abutments will be 500
running feet less. The number of pins requir-
ed in the bridge will be 1861 the number OF spikes 600
the number of screw bolts 200, average length Fl -2
inches, total weight inclusive of nuts 637 lbs number
of cast iron washers 400, total weight 300 lbs all
or less.
BRIDGE OYER KETTLE RIVER
This bridge will be composed of two portions the first
to be of single span of sc feet have l6
feet high, roadway l6 feet wde the whole be built
of middlng sized tmbers, which may all be either
Chords posts end braces and to be joined together
means OfnOrtices, pins and wedges The second por-
ton to be simple reste work of spans of Is feet each
a roadway l6 feet in width, and include the trese
pier for support of north end of main bridge.
The amount of lumber required in the truss portion
exclusive of the holsters at the extremes will be 25
inch pins 22O, number Of "a inch bolts A. weighing
with nuts, 52 lbs number of cast iron washers So
weight &c pounds all mere or less.
The amount of lumber required in the trestle portion
inclusive OF the holsters of the truss portion, and the
trese pier main BRIDGE will be 1868 feet. board
measure more or less, number of = inch pins 40,
or less.
1t being impossible give in few words sufficient
ly clear description of the in which these bridges
Arp he M a
the drawings and specifications of the the
Office of the undersigned.
The mater als for the tresses OF each bridge be
white pine, of good quality, free from sap, shakes,
dead knots imperfectiOns calculated diminish
their strength or durability The pins, blocks, and
wedges be white burr oak the best QUALITY
and well seasoned The abutments and trestles may be
Of pine, white or burr oak.
The whole construction to be under the direction
of the engineer agent in charge the part of
United States, and TO be subject such alterations and
notifications by him the in his judgment may
require.
For the sake of economy at the same time for the
benefit of the contractor, the two bridges will be let in
one contract, and will be bid for separately, follows
Snake Rirer Bridge.
l. The superstructure of this bridge by the thousand
feet OF lumber, board measure built in the bridge
e. The abutments by the running foot of timber built
in the abutments.
g. The bolts used in the BRIDGE inclusive of the nuts,
by the pound
A. The iron washers used in the bridge, by the
pound
Kettle Ri,rr Bridge
l. The truss portion of this bridge, exclusive of the
holsters at the eXremities by the thousand feet of lum
Der, board measure, built in the truss portion.
2 The tresle portion, inclusive Of the bolsters and
reste pier of main bridge, by the thousand feet OF um
Der, board measure, built in the trestle portion.
g. 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 contract will be given the lowest responsible
Tho fyyn Rri, md in ha .hc,l Io
cline fail to sign the after due his
bid has been accepted the right is reserved of grant
ing the contract to the next lowest responsible bidder
to readvertse for proposals Bonds will be given,
if 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 Top'l Engrs.
Office Genr Govt Roads, ct. Paul, Mimi, April 10,
1875. ltdawtlmayI