Hayes, Seay, Mattern & Mattern, Inc. (HSMM)

From railway bridges to ports, HSMM's transportation engineers can plan and design every element of a transportation project. Our portfolio includes countless miles of rural and urban highways, thousands of highway and railway bridges, mass transit systems and stations, bridge scour studies, bridge inspections, traffic engineering, environmental studies and wetlands banking. As transportation projects have become more complex, HSMM's wide range of professional disciplines have become increasingly important to our clients. Our 50-person transportation engineering staff is supported by in-house specialists in geology, soils, hydrology/hydraulics, environmental sciences, specifications, cost estimating and construction.

Solutions

• Architects
• Architectural Supplies
• Concrete Construction & Repair
• Consultants Corner
• Design / Build
• Facility Management
• Other Services
• Parking Structure Design