sanborn_renovation

Return to First page Return to First Page

Sanborn Bridge Renovation
WGN 45-03-02

The Stabilization as of 09/07/2013

Sanborn Bridge. Photo by Joe Nelson
September 07, 2013
To build the "island" upon which the hydraulic jacks could be set to lift the bridge into place for repairs, 20 cubic yards of stone was delivered. Two-thirds to three-quarters of this pile was was used, carried to the river by hand in buckets.

Sanborn Bridge. Photo by Joe Nelson
September 07, 2013
Two 25 Ton hydraulic jacks were set atop a cribbing built on the "island" exerting 35 to 38 tons of lift, raised the bridge approximately 25 inches to the horizontal.
Sanborn Bridge. Photo by Joe Nelson
September 07, 2013
A view of the broken chord.
Sanborn Bridge. Photo by Joe Nelson
September 07, 2013
The downstram truss viewed from the motel end of the bridge.
Sanborn Bridge. Photo by Joe Nelson
September 07, 2013
View of the cribing from the Route 5 side of the bridge.
Sanborn Bridge. Photo by Joe Nelson
September 07, 2013
View of the bridge interior: The down stream truss after jacking. The broken section of the upper chord is above the panel just beyond the missing board in the siding.
Sanborn Bridge. Photo by Joe Nelson
September 07, 2013
View of bridge interior: the upstream truss and the back of the real estate office.
Sanborn Bridge. Photo by Joe Nelson
September 07, 2013
Note bolster beams. See also the break in the Abutment cap, motel end of bridge.

Return to top

Joe Nelson, P.O Box 267, Jericho, VT 05465-0267
This file posted 09/13/2013