Hoyle, Tanner & Associates, Inc.

Pulp Mill Covered Bridge (Circa 1820-1850)

Middlebury/Weybridge, Vermont

The Pulp Mill Covered Bridge was rehabilitated due to extensive rot and sag in the trusses.

Services Provided:

	Inspection
	Rehabilitative Design
	On-Call Construction Consultation

Goals:

	Realign trusses and replace rot
	Increase live load capacity to H8 (8 Ton)

Unique Factors:

	One of six double barrel covered bridges in the US (One of two in Vermont)
	Originally a single span bridge, which has been modified to three spans

Project Highlights:

	Burr Type Truss with Arches
	Very detailed computer analysis was performed