Bridge H-2956 is a 356-foot long, three-span Cast-In-Place, Post-Tensioned (CIP P/T) concrete box girder bridge with a straddle bent and a single column bent that carries the Southbound Collector/Distributor (C/D) Road 2 over the Southbound I-15 to Eastbound I-215 Ramp.

Sigma prepared all construction plans, specifications, and estimates. Sigma also provided construction support, reviewed shop drawings, and arranged for accelerated design reviews with NDOT personnel.