Bridge & Culvert – Design & Rehabilitation

This project began with a hydraulic analysis of the Volga River at a predetermined location for a new trail bridge within the City’s corporate limits.  The […]

Manly Terminal – Iowa Northern RailwayManly, Iowa Project consisted of two alternative bridge designs to accommodate six additional railroad sidings for a new ethanol plant. Both […]

This project consisted of a stage-constructed, five-lane wide, custom designed 90’ x 59’ continuous concrete slab (CCS) bridge with a sidewalk on each side. Coordination with […]

Old Lincoln Highway 30 The existing bridge was a historical 647’ x 19.7’ four truss span structure on 216th Drive (Old Lincoln Highway 30).  The bridge […]

Project consisted of replacement of an existing 81’ x 20’ steel I-beam bridge with a custom designed 145’ x 32’ continuous concrete slab (CCS) bridge including […]

This project consisted of a stage–constructed, custom designed 205′ x 72′ CCS replacement bridge with a sidewalk over Walnut Creek.  Large traffic volumes of approximately 20,000 […]

Interstate Highway 35 separated a rapidly growing residential area on the west from parks and schools on the east.  Prior to construction, pedestrians and bicyclists were […]