Hoyle, Tanner & Associates, Inc.

Florence Street over Shields Brook

Derry, New Hampshire

The existing jack arch bridge was in poor condition and had inadequate hydraulic capacity.

Services Provided:

	Engineering Study
	Bridge Design
	Roadway Design
	Bidding Administration
	Construction Contract Administration
	Construction Observation/Engineering

Goals:

	HS25 Live Load Capacity
	Increased hydraulic capacity

Unique Features:

	Downstream wetlands were restored
	Gravel road

Project Highlights:

NHDOT Municipal Bridge Aid Program Project