Mercer County Engineer's Office

Brad Elder, Director

Mercer County Bridge
104 Mortensen Road
Greenville, PA 16125
Phone (724)-662-4977
Fax (724)-662-5291

The Mercer County Engineer's Office is responsible for design, construction, and inspection of County owned infrastructure such as Bridges

About Us
Learn about our office, and what we do.
Current Conditions
View information about the state of the condition of our bridges and how they have improved.
Table of Bridge conditions
Links to the Past
See 1920's era photos of bridges from Mercer County's past.
Learn about the history of our County Bridges. 
 Design Process
The design process for a typical bridge replacement is explained.
 Bridge Closure and Removal Study
Evaluation of Operationally Redundant Bridges.
Permits for Oversize / Overweight Vehicles
Obtain permits to cross County Bridges.
 Posted Bridges
List of current posted bridges.
 Mercer County Historic Bridges
Information about Mercer County historic bridges.
 Future Projects
List of proposed projects that are in various stages of design.
Learn about the Inspection program for our County Bridges.