Historic Bridge Rehabilitation

Since being founded in 1972, Keller & Kirkpatrick has provided engineering expertise to many municipal, county and state government agencies on a continual basis. We realize that timeframe is of critical importance for numerous projects. Accordingly, we utilize continual communication with our clients as well as a thorough knowledge of the approval process to complete our projects in a timely, cost-effective manner.

The Experience

Keller & Kirkpatrick has provided Historic Bridge Evaluation and Rehabilitation Design Services for several historic bridges listed on the State and National Registers. Keller & Kirkpatrick is able to provide sensitive repair treatments and technical plans in accordance with Secretary of the Interior Standards through our professional staff of skilled Structural Engineers, Traffic Engineers, Civil Engineers and Landscape Architects.

The Skills

Keller & Kirkpatrick has in-house expertise in the following areas of concentration:

  • Bridge inspection and evaluation studies.
  • Historic truss bridge rehabilitation and repair.
  • Refurbishing and replacement plans for historically compatible bridge railing and lighting fixtures.


Keller & Kirkpatrick has experience in obtaining a wide variety of permits and approvals from government agencies. Below is a partial list of specific permits acquired for numerous historic bridge rehabilitation projects:
State Historic Preservation Office/Historic Sites Council Project Authorization
Delaware & Raritan Canal Commission Certificate of Approval

The Clients

Keller & Kirkpatrick has provided engineering services for bridge reconstruction and replacement for municipal and county governments. Following is a brief listing of our most recent clients:

  • County of Hunterdon
  • County of Somerset
  • County of Warren
  • County of Mercer