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First Truss Ready on Comstock Bridge
August 5, 2003 - While work is progressing on the abutments, restoration is complete on
the downstream truss. New end posts of Douglass Fir have been installed. Rotted lower chord
and lattice planks were replaced with Douglass Fir. Epoxy was used to mend one lower secondary
chord plank at the end post to preserve historic fabric. Most of the original timber has been kept.
The Truss retains a camber of four inches.
|Downstream truss ready. Note the new end-post.
Epoxy was used to mend the end of the lower secondary chord plank at the end post to preserve
Photo by Joe Nelson, August 5, 2003
Disassembly of the upstream truss has begun while
the work on the abutments cures. The rebar is installed and ready for the casting of new
The configuration of the abutment caps cast in the
1950s is blamed for the deterioration of the trusses.
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© 2003 Joe Nelson, P.O Box 267, Jericho, VT 05465-0267
This file posted August 6, 2003