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Steel Fabrication for Bridges

High Steel is proud of the quality reputation we've earned as the steel fabricator of choice for North America's transportation infrastructure projects. A leader in the industry for innovation, we have the capacity, technology and experience to help make your next steel bridge project a success.

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Steel Fabrication For Building & Industry

High Steel partners with building and industrial steel fabricators on a variety of projects. With decades of experience specializing in steel girder fabrication, we can take on the most challenging weldments in your steel structure. Increase your project's efficiency by working with us.

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Products & Services


High Steel's fabricators take pride in our reputation for producing bridge steel which is consistently superior in quality and fit.
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High Transit LLC is the specialty hauler for the affiliated companies of High Industries Inc. The company also provides specialty heavy hauling services to the construction and manufacturing industries.
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Especially large or heavy girders can stress production lines, using valuable time and raising overhead costs. High Steel can help by taking on the challenging fabricated steel components in your project.
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High Structural Erectors' AISC Certified field operations team specializes in steel bridge erection on hundreds of High Steel's projects, such as the I-495 HOT Lanes in Virginia and the I-95/I-695 Interchange in Maryland.
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High Steel is your one-stop-shop for emergency bridge repairs, from heat straightening collision-damaged girders to more complex jobs involving steel procurement, engineering detailing, fabrication and erection.
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Latest Video

  • High Steel Structures has taken welder training to new heights by investing in workforce training to meet the demand for North America's transportation infrastructure projects.

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    A leader in the industry for innovation, High Steel has the capacity, technology and experience to deliver quality steel that fits right the first time.  Learn more about our history and why we are the right choice for your next project! 

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  • High Steel Structures partners with York County School of Technology to help young people start their careers. High Steel University offers the most comprehensive training program for steel bridge fabrication in the country.

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    As a coworker at one of North America's largest structural steel fabricators, you can grow your career while working on projects that keep America running strong.

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  • High Steel was awarded an fast-track contract to fabricate the replacement steel for the fire-damaged Route 322 and Route 22 Eastbound Bridge over Interstate 81.

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    WGAL TV covered Governor Tom Wolf's visit to High Steel Structures. The Governor toured the plant and lead a roundtable focused on workforce development.

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  • High Steel's founder Sanford H. High was inducted into the American Road & Transportation Builders (ARTBA) Foundation's Transportation Development Hall of Fame.

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    Do you ever wonder how High Steel gets its projects from the fabrication plant to the jobsite?   This video shows two 131-ft-long, 97-ton superloads leaving our Lancaster fabrication facility 

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Latest News

  • Tappan Zee Rendering Courtesy NY Thruway.jpg

    The New NY Bridge - Tappan Zee Replacement Project

    December 11, 2013

    Chicago, IL - Two major U.S. steel fabricators have stepped up to take on one of the most significant transportation projects in the nation’s history. High Steel Structures Inc. of Lancaster, Pennsylvania and Hirschfeld Industries, LP of San Angelo, Texas have each been awarded a contract to fabricate structural steel for the approach spans of New York’s new Tappan Zee Bridge.

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  • I-91 Interchange Exit Ramp

    High Steel Project Wins Top NSBA Award

    March 31, 2022

    The National Steel Bridge Alliance has announced that that the I-91 Interchange 29 Exit Ramp Flyover Bridge in Hartford, Connecticut is the 2022 Bridge of the Year! This is the first year NSBA has presented this award, and it goes to a first-of-its-kind bridge that uses a new approach to eliminating fracture-critical elements by providing load-path redundancy via a triple I-girder straddle bent.  

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  • HOT2.jpg

    DC Area Project Requires Over 21,000 Tons of Steel

    October 20, 2011

    Lancaster, Pa. (October 20, 2011)In its largest single contract to date, High Steel Structures is providing the structural steel for the Washington, D.C. area HOT Lanes Project. 

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  • PIQ-Winter-768x997.jpg

    High Steel In the News - InfrastructureMD Feature

    December 08, 2016

    High Steel is pleased to be chosen to be the featured contractor in the Winter 2016 issue of Infrastructure MD. 

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  • John OQuinn Lanconline Interview.jpg

    High Steel in the News - Interview with John O'Quinn

    November 22, 2016

    From - John O’Quinn’s long career in the steel industry taught him a lot about what makes High Steel Structures a successful company.

    “I think the rest of the industry has always chased High. They have always set the standard that everybody strived to meet,” he said.

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  • Tappan Zee Steel Milestone Article.jpg

    High Steel In the News -New Tappan Zee Bridge Reaches Steel Milestone

    January 06, 2017

    High Steel's President John O'Quinn was interviewed for an article in Construction Equipment Guide, as the New NY Bridge reaches an important steel milestone.   

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  • Pennlive Jump Page

    High Steel ships last two 'superload' girders for new bridge across Hudson River

    March 07, 2017

    From Pennlive

    WILLIAMSPORT - High Steel Structures workers stood in the rain, cheered and applauded as they watched the final two "superload" girders for the new Tappan Zee Bridge in New York leave the Williamsport plant.


    The massive blue girders, each 12 feet high, 120 feet long and weighing 78 tons, left the plant Tuesday morning with police escorts headed for the bridge project assembly yard in Coeymans, N.Y.

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  • RONNIE MEDLOCK Still 1.jpg

    High Steel Structures Ships Last Two “Superload” Girders to New New York Bridge

    March 07, 2017

    High Transit Trucks Take Final 78-ton Girders From Williamsport, Pa. to Assembly Yard in N.Y.

    March 7, 2017—High Steel Structures LLC has shipped the last two of the massive blue girders that have become emblematic of the New New York Bridge, the iconic span that will replace the Tappan Zee Bridge in 2018. At 7 a.m. two heavy-haul trucks with police escorts began the four-hour journey to the project assembly yard in Port of Coeymans, N.Y.

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  • WGAL Jump Page

    Governor Tom Wolf visits High Steel Structures to learn about workforce development

    March 09, 2017

    From WGAL TV NBC 8


    Governor Tom Wolf visited High Steel Structures LLC in Lancaster, Pa. today to learn about "High Steel University," a new co-worker training program, and about High's education and community partnerships for workforce development.

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  • DSC_8559.jpg

    High Completes Fabrication for New NY Bridge Project, On Time, On Budget, On Specification

    August 18, 2017

    Celebrates producing steel of “superior fit and finish” for its largest contract ever with painting of last girder

    WILLIAMSPORT, PA—High Steel Structures LLC announced that it has completed fabrication of its part of the $3.98 billion New NY Bridge Project, the largest transportation infrastructure design-build project in the U.S. In a ceremony, the company unveiled the last girder, freshly painted in the project’s trademark blue color.

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  • IMG_0091.JPG

    East Lampeter Township fire companies practice emergency rescues at High Steel plant

    October 31, 2017

    From LancasterOnline

    Six people were injured after two cars crashed into a tractor-trailer, and a person had a heart attack in a crane — but it was all a drill at High Steel Structures.

    Four East Lampeter Township fire companies practiced emergency rescues at the steel manufacturing plant Monday evening.

    High Steel Structures holds annual safety exercise so that its team and area first responders are ready for real emergencies, according to the company.

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  • Highway Builder Cover.JPG

    High Steel Structures Helps Rebuild Major U.S. Bridge

    November 17, 2017

    From Highway Builder Magazine

    High Steel Shows Innovation and Leadership in New NY Bridge Project

    The first four lanes of traffic crossed the new Governor Mario M. Cuomo Bridge – formerly the Tappan Zee Bridge – on August 25. The 3.1-mile-long, $3.98-billion steel crossing, which is on track for complete finish in 2018, is the largest active bridge project in the nation and a testament to the work and capabilities of America’s steel fabricators and constructors.

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  • LancasterOnline photo - HSS STEM Contests.jpg

    Lancaster County students compete in STEM contests

    February 13, 2018

    From LancasterOnline

    As wooden glider planes catapulted toward the ceiling of the school gymnasium, pairs of model dragster cars powered by carbon dioxide canisters raced along a double track nearby.  

    Across the gym, just past the balsa wood bridge models, a robot platypus came to life — its eyes glowing and tail and jaw moving. Along the wall of the gym, a judge used a machine to test the weight-bearing properties of a couple dozen balsa-wood trusses.

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  • From Pennlive HSS Susuquehanna Valley Thruway first girders delivered.jpg

    First girders for Central Susquehanna Valley Thruway bridge due on site this week

    February 12, 2018

    From PennLive

    WINFIELD -- The first steel girders for the nearly mile-long bridge that will carry Central Susquehanna Valley Thruway over the West Branch of the Susquehanna River are due on site this week.

    Erection of the girders, fabricated by High Steel Structures in Williamsport and Lancaster, is expected to begin late this week or early next, Jeremiah Gonzalo, the Pennsylvania Department of Transportation bridge project engineer, said Monday.

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  • News item photo with caption overlay as it appeared in LinkedIn post May 9, 2018

    High Steel Structures LLC Recognized in National Bridge Awards

    May 10, 2018

    Baltimore—The National Steel Bridge Alliance (NSBA), a division of the American Institute of Steel Construction (AISC) recognized Lancaster, Pa.-based High Steel Structures LLC as a winner in its Prize Bridge Awards. The awards were presented at the 2018 NASCC: The Steel Conference / World Steel Bridge Symposium, April 11-13 in Baltimore.

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  • Photo courtesy of New York Thruway Authority.

    Engineering the Impossible at the Tappan Zee Bridge

    August 28, 2018

    HISTORY is launching a new television series called Project Impossible and High Steel Structures' work on the Mario M. Cuomo Bridge—the Tappan Zee Bridge in New York—is part of it.  The season will kick off on Saturday, September 1 at noon.

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  • Volunteer and High Steel Structures co-worker Shannon Givler is rescued from a 70-ton box girder in a simulation of an explosion in a confined space.

    High Simulates Toxic Smoke in Confined-Space Rescue Operation for First Responders

    October 04, 2018

    High Steel Structures LLC conducted a safety triage on Wednesday, October 3, at its Plant 3 property in Williamsport, Pa. The bridge fabrication firm worked with the Williamsport Bureau of Fire to simulate rescues of three people from a staged incident in a 69-foot-long box girder weighing 70 tons. First responders were not informed of the details of the 1 p.m. incident and treated it as an actual emergency. 

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  • Governor Wolf visits HSS Lancaster Plant 4 in February 2019
Photo paid for by taxpayers of PA

    Wolf tours High, details plans to build up Pa. workforce

    February 08, 2019

    From Central Penn Business Journal

    During a tour Thursday of a High Steel Structures plant in East Lampeter Township, Gov. Tom Wolf defined his plans to strengthen Pennsylvania’s workforce and highlighted the private company’s efforts toward educating the state’s labor pool.

    The state has added over 230,000 jobs in the past four years but needs to do more to get Pennsylvanians the skills to fill those jobs, Wolf said while on the tour.

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  • Image belongs to Washington Post; one-time use in HSS newsfeed; do not reuse

    High over the Potomac River, iron workers ease an 86-ton monster into place on Memorial Bridge

    July 05, 2019

    From The Washington Post

    The sky is black as the giant girder swings on its Kevlar cables from the construction crane on the Potomac River barge below.

    An air horn has just sounded a three-blast warning, and the 218-foot-long, 86-ton hunk of bridge steel slowly rotates toward Trevlin Bransom, who pulls on a work glove and walks to meet it.

    It’s about 10:30 on a recent evening. The illuminated Lincoln Memorial glows in the distance. And the “pick,” as such a heavy lift is called, is underway beneath the spotlights in the middle of Arlington Memorial Bridge.

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  • High Steel Structures donates scrap metal to welding program

    High Steel Structures donates scrap metal to welding program

    January 26, 2022

    High Steel Structures LLC has donated nearly $100,000 worth of welding scrap to Pennsylvania College of Technology for instructional use in the college’s welding and metal fabrication programs.

    High Steel Structures has fabrication facilities in both Lancaster and Williamsport. The company is among North America’s largest fabricators of steel for bridge projects and regularly partners with “beam and column” fabricators outside the transportation industry.

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  • Confined Space Emergency Training Drill held at High Steel Structures in October 2022

    Confined Space Emergency Training Drill October 2022

    November 09, 2022

    On October 17, 2022,  High Steel Structures’ Lancaster First Aid Team hosted volunteers from Lafayette Fire Company and Witmer Fire Protective Association for a confined space emergency training drill, staged with an arch rib box girder for a project that is currently in fabrication. The drill involved rescue scenarios using both live “victims” and mannequins.  High Steel holds multiple drills and triages during the year with the first aid team and various local EMS to train for life-threatening emergencies.

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