Founded in 1936 as the American Culvert Company, U.S. Bridge engineers and manufactures prefabricated steel bridges for public and private projects worldwide. The company grew from early all-welded steel truss and beam bridge work into a factory-direct operation with more than 250,000 square feet of engineering and fabrication facilities on a six-acre campus. Its work includes bridge kits and project support from scoping through fabrication, shipping and erection, backed by AISC certification for major bridges.
AISC Certified Fabricator of Major Bridges
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AISC Fracture Critical Endorsement
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AISC Sophisticated Paint Endorsement
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BridgeScope Registered Trademark
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Freedom Bridge CompanyFreedom Bridge Company is a specialized bridge builder whose team includes fabricator and engineer Paul Gestl, bringing more than 30 years of experience to projects that connect properties and communities. The company creates custom steel bridges for clients who need practical crossings tailored to their sites, with delivery available throughout the lower 48 states.HAGERSTOWN, MD
Ackerman & Baynes, LLCSince 1945, Baltimore-based Ackerman & Baynes, LLC has fabricated steel for bridges, construction projects, and industrial customers. Its 32,000-square-foot shop and 40,000-square-foot outdoor storage area support work ranging from bridge components and simple steel bridges to custom OEM metal parts, including weldments up to 25 tons. Ackerman & Baynes is an AISC-certified fabricator, with welders certified to AWS D1.1 and D1.5 codes and a full-time certified welding inspector on staff.BALTIMORE, MD
PennFab, IncFounded by Coast Guard veteran Michael J. Mabin in 1983, PennFab is a family-owned Pennsylvania steel manufacturer that engineers and fabricates structural steel for rail and transportation infrastructure. Its Morrisville operation spans 230,000 square feet and combines an in-house engineering department with a crane-served, automated manufacturing facility. PennFab is AISC- and PennDOT-certified and remains an American-made supplier under the company’s second-generation leadership.MORRISVILLE, PA
United Concrete Products, IncSince its founding in 1954, United Concrete Products has grown into a proud American-owned precast concrete manufacturer serving the infrastructure market. Today, five U.S. plants and more than 270 employees support its work, backed by 70 years of production experience and an in-house engineering team. The company is particularly distinctive for extending that experience into complex underground infrastructure through its United Underground division.HURON, OH