The daily Minnesota pioneer. [volume] (St. Paul, Minn.) 1854-1855, 1855-05-07
BRIDGES OVER SNAKE AND KETTLE
RIVERS.

RIVERS.
OEALEO PROPOSALS will be received by the
- dersgned, through the Post Office otherwise,
TIL ~ O'Clock A. NJ. the 18th Of May for fur
nishng the materials for: and the construction of,
BRIDGE OVER SNAKE RIVER;
and of
ABRIDGE OVER KETTLE RIVER;
On the Point Douglas and St. Louis R'yer Road.
BRIDGE OYER SNAKE RIVER
This bridge will be of a single span of from
leo to 1870 feet, may be required, have
two trusses each 90 feet high roadway fee. wide,
yed chords posts and braces and 10 be strengthened
by the addition of arch braces, all of which be
fastened together by inch treenails or pins, and "a
inch bolts.
The abutments, which will be of such height as may
be required, ten feet, will be made Of large square
timber, properly joined and pinned together.
The OF lumber required in the supersructure
will be SIS 900 feet, board measure, less The
amount Of timber required in the abutments will be $50
ed in the bridge will be 1861 the number Of spikes 6OO
the number of screw bolts 200, average length 81 l
Of cast iron washers AGO. total weight 800 lbs all
BRIDGE OYER KETTLE RIVER
This bridge will be composed OF portions the first
be Of single span of sc feet, have russes l6
feet high, roadway l6 feet wide, the whole be built
of midding sized tmbers, which may all be either
ed hewed, may be most convenient, arranged in
Chords posts and braces and to be joined together by
Of mortices, pins and wedges. The second por
ton be simple rese work of spans of Is feet each
roadway Is feet in width, and to include the restle
pier for support Of north end of main bridge.
The amount OF lumber required IN the truss portion
exclusive Of the holsters at the extremites, will be 25
600 feet, board measure, or less number OF Ia
inch pins 220, number Of "a inch bolts "A, weighing
with nuts l52 lbs; number Of cast iron washers So
weight 10 pounds all mere or less.
The amount oil lumber required in the restle portion
inclusive OF the holsters of the portion and the
trese pier main bridge, will be S63 feet. board
measure, more or less number of 4 inch pins 49,
or less.
IL being impossible to give In few words a sufficient
ly clear description Of the in which these bridges
are to be built persons DESTROYS OF bidding will call and
the drawings and specifications Of the at the
once Of the undersigned.
The materials for the OF each bridge be
white pine, of good quality, free from sap, shakes
dead knots, or 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 restles may be
81 pine, white or burr oak.
The whole construction to be under the direction
0fthe engineer agent in charge ON the part of the
United States and to be subject to such and
notifications by him a. the in his judgment may
require:
For the sake of economy, and the same time for the
benefit Of contractor the two bridges will be let in
one coassac end win be bid for separately a. follows
s4,3f ~ - Snake Rirr Bridge
The superstructure Of this bridge by the thousand
let Of lumber, board measure built In the bridge.
O. The abutments by the running foot Of timber built
In the abutmeuts.
D. The bolts used in the bridge inclusive Of the nuts
BY the pound.