The daily Minnesota pioneer. [volume] (St. Paul, Minn.) 1854-1855, 1855-05-01
BRIDGES OVER SNAKE AND KETTLE
RIVERS.

BRIDGES OVER SNAKE AND KETTLE
RIVERS.
SEALED PROPOSALS will be received by the un
TILL IL O'Clock A. NJ on the 18th of May next for fur
BRIDGE OVER SNAKE RIVER
and of
BRIDGE OVER KETTLE RIVER
IN tho Point Douglas and St. Louis Rvey Road
BRIDGE OYER SNAKE RIVER.
lsO to $50 feet, as may be required, have
russes, each 20 feet high, roadway l6 feet wide
the whole to be built principally of inch plank
by the addition Of arch braces, all Of which to be
fastened together by inch treenails pns aud 81
The abutmens, which will he of such height as may
be required say ten feet will be made of large square
timber, properly joined and pinned together.
The amount OF lumber required in the superstructure
will be S. 900 feet, board measure, less The
amount oftimber 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 81 IL
nches total weight inclusive of nuts 6S7 lbs number
Of cast iron washers 400, total weight 800 lbs all
or less.
BRIDGE OYER KETTLE RITER.
This bridge will be composed OF two portions the first
be of single span of So feet have two russes l6
feet high roadway l6 feet wide the whole to be built
OF middling sized mbers, which may all be either
ed or hewed, az may be most convenient, arranged in
means Of mOr,ices pins and wedges The second por-
lion TO be simple rese work of spans of Is feet EACH
roadway l6 feet in width, and to include the treste
pier for support Of north end of main bridge.
The amount oflumber required in the truss portion
exclusive of the holsters at the extremes will be u.s.
600 feet, board measure less number of j,
inch pins 22O, number Of ga inch bolts IA, weighing,
with nuts, l52 lbs; number Of cast iron washers So,
weight &c pounds all more or less.
The amount Of lumber required in the treste por
inclusive of the holsters of the truss portion, and the
reste pier fmain BRIDGE will be 1868 feet. board
measure, more or less, number Of inch pins 49, more
or less.
1t being mp ossible give a few words a sufficient
y clear description Of the manner in which these bridges
are be built persons DESTROYS OF bidding will call and
the drawings and specifications of the the
office of the undersigned.
The materials for the Of each bridge must be
white pine OF good quality, free from sap, shakes,
dead knots mperfections calculated to diminish
their strength or durability The pins, blocks, and
wedges must be white or burr OAK OF 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
"fthe engineer agent in charge the part of the
United States, and to be subject such alterations and
notifications by him as the case in his judgment may
require.
benefit OF The contractor, the two bridges will be let in
one contract and will be bid for separately, follows.
Snake Rirey Bridge.
J. The snpersructure OF this bridge by the thousand
feet Of lumber, board measure built in the bridge
2 The abutmens by the running foot of timber built
in the abutments.
The bolts used In the bridge, inclusive of the nuts
by the pound.
a. The coat iron washers used in the bridge, by the
pound.
Kettle Ritsr Bridge.
l. The portion of this bridge, exclusive of the
holsters at the eXtremes by the thousand feet of um
Der, board measure, built in the truss portion
g The trestle portion. inclusive Of the holsters, and
reste pier of main bridge by the thousand feet of lu-
Der, board measure, built in the trestle portion.
g. The bolts inclusive of the nuts used in the truss
portion Of the bridge, by the pound.
A. The cast iron washers, by the pound.
The Snake River Bridge be completed by the LIST of
September The Kettle River Bridgeby the LIST
November next.
The contract will be given to the lowest responsible
bidder the two Bridges, and in he should de-
cline fail to sign the contract after due notice that his
bid has been accepted the right is reserved of grant
Ing the contract to the next lowest responsible bidder,
to readvertise for proposals. Bonds will be given
il required.
The contract will be subject 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 Eng'rs.
Office Cenl Govt Roads, st. Paul, MIMI, April 10,
1855. ltdawtilmayl