104 Mortensen Road
Greenville, PA 16125
The Mercer County Engineer's Office is responsible for design, construction, and inspection of County owned infrastructure such as Bridges
Learn about our office, and what we do.
View information about the state of the condition of our bridges and how they have improved.
Table of Bridge conditions
to the Past
See 1920's era photos of bridges from Mercer County's past.
Learn about the history of our County Bridges.
The design process for a typical bridge replacement is explained.
Closure and Removal Study
Evaluation of Operationally Redundant Bridges.
for Oversize / Overweight Vehicles
Obtain permits to cross County Bridges.
List of current posted bridges.
County Historic Bridges
Information about Mercer County historic bridges.
List of proposed projects that are in various stages of design.
Learn about the Inspection program for our County Bridges.