The SEA Transportation Structure Design Group is a collection of skilled professionals whose bridge, culvert, and retaining wall design experience extends throughout the southeast. Bridge types vary from stream/water crossings to grade separations over roadways and/or railroads, from single span to multiple spans. Our team has designed bridges on tangent and curved alignments with superstructures using prestressed concrete cored slabs, prestressed concrete girders, steel rolled beams, and steel plate girders. Our extensive experience and knowledge allow us to deliver highly functional, cost-effective, aesthetically pleasing designs for our clients.

SPECIFIC SERVICES INCLUDE:

  • Bridge (Superstructure, Substructure, and Foundation) Designs
  • Reinforced Concrete Box Culvert Designs
  • Reinforced Concrete Retaining Wall Designs
  • Construction Plans Production using MicroStation Drawing Platform

PROJECTS

U-2519CA - Fayetteville Outer Loop (Design-Build)

Location: Cumberland County, NC
Services: Provided Structure Designs and Construction Plans

  • Dual Bridges on Fayetteville Outer Loop over an Unnamed Tributary to Bones Creek
  • One (1) Reinforced Concrete Box Culvert Extension

U-2525C – Greensboro Outer Loop

Location: Guilford County, NC
Services: Transportation & Structural Engineering Designs and plans provided through NCDOT’s Structure Management Unit

  • Bridge on Lake Jeanette Road over I-85 Bypass
  • Dual Bridges on I-85 Bypass over North Elm Street
  • Six (6) Reinforced Concrete Box Culverts

I-3802B – I-85 Widening (Design-Build)

Location: Rowan County, NC
Services: Provided Structure Design and Construction Plans

  • Bridge on US 29 over Norfolk Southern Railway

R-2250 - Greenville Southwest Bypass (Design-Build)

Location: Pitt County, NC
Services: Provided Structure Designs and Construction Plans

  • Dual Bridges on Greenville Southwest Bypass over NC 102
  • Dual Bridges on Greenville Southwest Bypass over Pocosin Road
  • Dual Bridges on Greenville Southwest Bypass over Forlines Road

U-3109A – NC 119

Location: Alamance County, NC
Services: Structure Designs and Construction Plans

  • Bridge on NC 119 over I-40/I-85
  • Dual Bridges on NC 119 over Holt Street, Norfolk Southern Railway and US 70

U-2579B – Winston-Salem Northern Beltway (Design-Build)

Location: Forsyth County, NC
Services: Provided Structure Designs and Construction Plans

  • Bridge on Hastings Road over Winston-Salem Northern Beltway Ramp
  • Bridge on Hastings Road over Winston-Salem Northern Beltway Collector-Distributor

U-2554BB&C – Goldsboro Bypass (Design-Build)

Location: Wayne & Lenoir Counties, NC
Services: Provided Structure Designs and Construction Plans

  • Bridge on Corbett Road over Goldsboro Bypass
  • Bridge on Parkstown Road over Goldsboro Bypass
  • Bridge on Beston Road over Goldsboro Bypass

 

 

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