Hoyle, Tanner & Associates, Inc.

Lower Ashby Road over the Souhegan River Bridge Replacement

New Ipswich, New Hampshire

The existing structure on Lower Ashby Road had many faults that needed to be corrected including Low bridge capacity, minimal hydraulic capacity and an unsafe guardrail.

Services Provided:

	Engineering Study
	Design Engineering
	Bidding Administration
	Right-of-Way Coordination
	Construction Contract Administration
	Construction Observation/Engineering

Goals:

	HS25 live load capacity
	Increase hydraulic capacity

Project Highlights:

	NHDOT Municipal Bridge Aid Program Project
	20’ span precast concrete butted rigid frame
	Maintained one-lane of alternating traffic
	Combined with Old Country Road project to save money