Structural Engineering
The Wilson T. Ballard Company provides a wide variety of Structures Design Services to our clients. These services include bridge, culvert and noise barrier design; bridge deck repair/replacement; bridge substructure and superstructure rehabilitation/repair; and rehabilitation of culverts, retaining walls, noise barriers and other structures. Our work ranges from field investigations and preliminary reports, to final design services and consultation during construction.
Structural Design, Rehabilitation and Bridge Inspection
The Wilson T. Ballard Company provides structural design, rehabilitation and inspection services for bridges, culverts and related structures. Our work supports safe, long term performance of new and existing infrastructure on state, county and local facilities.
- Bridge superstructures
- Prestressed or reinforced concrete structures
- Steel girders or trusses
- Timber structures
- Bridge substructures in concrete, prefabricated systems and MSE
- Timber substructures and spread or pile foundations
- Culverts, including concrete and steel box culverts, pipes and arches
- Concrete rigid frame structures
- Load carrying capacity ratings for new and in service bridges
- Load posting decisions
- Re lining of culverts and pipes
- Carbon fiber reinforced polymer wraps
- Spall and crack repair
- Bearing rehabilitation and replacement
- Retaining wall design
- Girder erection plans and crane layouts
- Noise wall analysis and design
- Transit center structural design
The Loys Station Covered Bridge and similar historic or signature structures benefit from a combination of structural analysis, rehabilitation design and careful detailing to extend service life while preserving character.
The Wilson T. Ballard Company provides bridge condition inspection and evaluation services for facilities maintained by the Maryland State Highway Administration, counties and local governments. Work includes NBIS condition inspections, evaluations, live load ratings, report preparation and repair recommendations.
- Bridge and culvert inspections per NBIS standards
- Inspection of new and in service bridges
- Report writing and repair recommendations
- Emergency bridge inspections
- Post flood and damage inspections
- Heavy load and move inspections
- Special inspections including confined space
- Railroad and electrified railroad inspections
- Coordination of under bridge inspection vehicles and equipment
- Fracture critical member inspections
- Interim inspections
- Underwater inspections
