Van Cleef performed NBIS inspections for 79 bridges in Hunterdon County, including numerous fracture-critical truss structures. Truss types inspected included welded, bolted, riveted, and historic 19th-century iron trusses with pinned joints.​

Services included coordination with NJDOT and Hunterdon County, preparation of bridge inspection reports in the NJDOT CombIS system, development of priority repair recommendations, and computation of load ratings. SI&A and NBE element coding was completed for all bridges, with load ratings performed using the LARS Bridge program in accordance with the NJDOT Load Rating Manual.​

The majority of the structures inspected were fracture critical. Additional structure types included girder-floorbeam-stringer systems, masonry arches, multi-girder steel bridges, timber slab and girder bridges, prestressed concrete box beams and slabs, and corrugated metal pipe (CMP) culverts.