Hoyle, Tanner & Associates, Inc.

Slate Covered Bridge (Built 1862)

Swanzey, New Hampshire

An authentic replica of the Slate Covered Bridge built to replace the original that was lost to arson.

Services Provided:

	New Covered Bridge Design
	Bidding Administration
	Construction Administration/Observation

Goals:

Bridge designed for HS15 (15 Ton) live load, which is five times that of the bridge originally constructed.

Unique Factors:

	Completed under budget and ahead of schedule.
	Fire detection, fire retardant paint, and sprinkler system were all used to protect it from arson.

Project Highlights:

	Town Lattice Trusses
	NHDOT Municipal Bridge Aid Program Project
	Hoyle, Tanner & Associates, Inc. personnel presented a paper on this project at the International Bridge Conference in Pittsburgh, PA.
	123’ clear span

Project Awards:

	Award of Merit in the 2002 National Timber Bridge Awards contest.
	PlanNH Merit Award 2003