Hoyle, Tanner & Associates, Inc.

Griffin Road over Griffin Brook

Epsom, New Hampshire

The previous metal pipe was damaged in a flood and later destroyed in a later flood.

Services Provided:

	Engineering study (Survey, Borings, Etc.)
	Design Engineering
	Permit Applications
	Bidding Administration
	Construction Contract Administration
	Construction Observation/Engineering

Goals:

	HS25 Live Load Capacity
	Low Maintenance
	Increased hydraulic capacity

Unique Features:

	Downstream wetlands were restored
	Gravel road

Project Highlights:

NHDOT Municipal Bridge Aid Program Project

20’ span precast concrete rigid frame