Bridges and Culverts

D&K’s bridge engineers conduct condition assessments and load ratings, make recommendations for rehabilitations and replacements, and perform bridge inspections in accordance with the guidelines outlined in the Federal Highway Administration’s National Bridge Inspection Program and Bridge Inspectors Training Manual. Our professionals are thoroughly familiar with the latest AASHTO, state design codes and specifications, and principles of Accelerated Bridge Construction. Our bridge and water resource engineers design aquatic organism passage (AOP)-friendly/stream-smart bridges to help bridge owners reduce barriers to AOP.

D&K engineers design vehicle and pedestrian bridges and culverts using concrete, steel, and timber on spread footings bearing on soil and directly on ledge; pile foundations; and mechanically stabilized earth (MSE) abutments, integral abutments, and retaining walls. Services include the evaluation of applied loads, sizing of structural members, design of abutments, retaining walls and footings, timber and concrete decks, reinforcing steel schedules, bridge and approach rails, roadway approaches, and stream bank protection.

Bridges and Culverts Projects