Company Profile: Originally established in 1992 as a transportation engineering design firm specializing in transportation planning and bridge, highway and traffic engineering projects, we have expanded our capabilities to include geotechnical, soil and concrete testing, civil and site engineering and construction inspection services. Barr & Prevost serves both public and private clients. We maintain a seasoned and innovative staff of 35 engineers, inspectors and technicians, augmenting their abilities with the most recent design software releases and progressive production equipment, and encouraging them in meeting continuing education goals.

AASHTO-Certified Testing Laboratory: Tests are performed in accordance with ASTM, AASHTO, EPA, OSHA, and military test procedures. Our firm is one of the first in Ohio to utilize the groundbreaking Maturity Monitoring System employed by the Ohio Department of Transportation for the past three years.

MAH-76-0091 (MAH-76-1.464) Bridge Rehabilitation Barr & Prevost was retained by the Ohio Department of Transportation to rehabilitate this structure over Lake Milton in Mahoning County, Ohio. The project was initiated by performing an in-depth inspection. This inspection of the original design of the steel girder-concrete deck superstructure included the evaluation of the fatigue prone intermediate hinge connections of girders. Fatigue analyses were completed to determine the remaining useful life of the girders.

The scope of services for the rehabilitation plan preparation was later modified to include an alternative design of a totally new pre-stressed concrete I-beam superstructure. This alternate proved to be the more economical of the two alternatives and was thus selected for construction. The picture above reflects the newly constructed bridge.

One of the crucial aspects of the project was to provide a phase construction MOT plan that was coordinated with the 30-day ramp closures, the bridge expansion joint fabrication and adequate clearance for the construction equipment. Two 10’ lanes of traffic were maintained on the mainline and one 10 ft lane remained open on each ramp except for a 30 day closure period. The MOT plan had to be coordinated efficiently to respond to the critique comments of several parties involved with the project: ODOT District 8, Complete General Construction, City of Cincinnati, A&A Safety, and Hamilton County were all involved in this project.

The City of Marietta, Ohio hosts an annual Stern Wheel Festival. To improve spectator access and convenience to downtown business from the boats, Barr & Prevost was retained by the City to design a boat dock, ramped walkway and miscellaneous improvements to this recreational area. The ramped walkway was constructed of concrete for durability but matched the traditional brick aesthetics of the City by a stamped pattern finish and coloring of the concrete.

Barr & Prevost was hired by the Ohio Department of Transportation to perform traffic analysis and to identify existing geometric and safety deficiencies at the location of the I-75/Wagner Ford interchange. The study area of the project is from Needmore Road to the north, North Dixie Highway to the west, Stanley Avenue to the south and Webster Drive to the east. The scope included gathering existing information and performing a crash analysis, safety study and geometric analysis of the existing conditions. This project developed an understanding of what alignment corrections need to be accomplished to correct the geometric deficiencies.

Truss connections were inspected by snooper and by climbing methods. Non-destruction testing, both dye-penetration and magnetic particle testing were used. Land piers and abutments were accessed by man lift and/or ladder. Suspicious areas of concrete were sounded. An underwater inspection was also performed to evaluate river pier foundations and stone condition at the waterline. Inspections were carried out as per the current West Virginia Department of Transportation Manual for Condition Evaluation of Bridges and according to National Bridge Inspection Standards (NBIS). Load rating analyses were prepared by using measured section losses for structural members.

The three-year inspection contract for this 1053' long, twelve-span bridge that includes a 333' long leaf bascule span, involved an in-depth inspection in 2004 and a routine inspection in each of the two subsequent years. Due to the complexity of the bascule span, the inspection elements included civil, electrical, mechanical and HVAC systems. The majority of the inspection focused on the bascule span where the electrical system, the gear drives, bearings, center locks, tail locks and trunion supports were thoroughly inspected. An in-depth report containing findings and including a maintenance and repair schedule prioritized with associated estimated costs was prepared in 2004 and updated after each of the following inspections.

This project involved phased construction inspection to prevent any downtime of the City of Columbus Southern Compost Facility. Lagoon grading and reconfiguration provided for better equipment access. The improvements consisted of a new concrete ramp, push wall, and asphalt pavement. Construction was completed within a 3-month period, within budget and ahead of schedule.

Barr & Prevost (sub to Complete General) was responsible for the inspection of six concrete abutments that were rehabilitated on slab structures in Shelby County for ODOT District 7. Our scope included analytical structural assessments as well as site inspection of concrete back-wall demolition, replacement and shoring design and construction inspection. The inspection and temporary shoring allowed for ensured uninterrupted highway traffic on I-75.

Engineering – Testing

2800 Corporate Exchange Dr. Suite 240

Columbus, Ohio 43231

Contact: James Prevost, PE

Voice: (614) 714-0270 ext. 102