Fields of Work
Gas Mains & Services Installation
Underground Electric Installation
Heavy Transportation Construction
Water, Sewer & Drainage Systems
Utilities, Pump stations
Milling, Paving, Road Work and Concrete
Demolition and Site Work
Earth Protective Support Systems
Foul Weather Maintenance
Emergency Construction Service 24/7
We are delighted that you are visiting the CBI website to learn more about our unique and dynamic firm. For over thirty years the firm has been serving the construction and engineering needs of the citizens of the states of New Jersey and lower New York.
Since its founding in 1986, the firm has and is dedicated to providing quality construction and engineering services, being a leader in the construction industry while exploring new construction techniques and methodologies and most importantly to support the construction and engineering industry in a professional and ethical manner with dedication to both the client and the industry.
Bridge A-52 in Alexandria, Hunterdon County is the latest addition to Colonnelli's portfolio of projects. This three-sided culvert is specific in its time constraints. We are working diligently to meet the challenging schedule and deliver the highest quality product for the residents of Hunterdon County.
Work on the Beaverdam Lake dam renovation project quickly approaches completion. This $ 5M project for the County of Orange, NY included major reconstruction to the gravity dam spillway and crest.
Rutgers street Bridge project in Dover reached the second phase. We have already opened the new section of bridge in order to maintain the traffic and started demolition work on existing structure.