How America Built the Mackinac Bridge Across One of America’s Most Dangerous Straits

In 1954, Michigan hired 3,500 men to build the longest suspension bridge in the world across five miles of open water — in conditions that killed five of them and left hundreds of others without a record. This is the story they don't put on the commemorative plaque. For seventy years, the state of Michigan had been told that bridging the Straits of Mackinac was impossible — too deep, too cold, too exposed to wind and ice to build anything that would last. Then they built it anyway. What followed was three and a half years of caisson work in 200 feet of freezing water, cable spinning on wire mesh catwalks above open lake, and ironworkers putting steel in the sky in below-zero Michigan winters. The Mackinac Bridge opened November 1st, 1957. The workers who built it were already gone. This video goes through the full construction history of the Mackinac Bridge — the engineering, the labor conditions, the deaths, and the men whose names are in the payroll records and nowhere else. If you drive across the Mackinac Bridge, you are riding on what they built. Most people who make that crossing don't know what it took. If this kind of history matters to you, subscribe — we cover the large-scale American infrastructure projects that were built by people history forgot to name. New videos when the research is ready. #MackinacBridge #ForgottenLabor #AmericanHistory #BridgeEngineering #MichiganHistory #InfrastructureHistory #LaborHistory #SuspensionBridge #GreatLakes #ConstructionHistory #MohawkIronworkers #CivilEngineering #HiddenHistory #WorkingClassHistory #DocumentaryHistory