Structural Design Services
- Highway Bridges over roads, railroads and water features of all kinds using steel and prestressed concrete. Includes curved steel girder design.
- Pedestrian bridges using steel, concrete and timber.
- Steel truss bridge analysis and design.
- Retaining walls, including concrete cantileverand mechanically stabilized earth.
- Sound barriers including structure mounted, caisson maounted, and grade-beam mounted.
- Culverts including 3-sided (rigid frame) and traditional 4-sided singel cell boxes.
- Foundation designs
- Concrete Spread Footings
- Deep Foundations (H-pile, Pipe pile, Drilled shaft)
- Integral abutments
- Sign Structures
- Contractor services incuding deck removal sequence analysis, temporary falsework design, and general consolidation.
NBIS Inspection Services
- Bridges over water and roadways
- Sign structures