• Home
• Introduction
• News
• The Interstate System
  • Fascinating Facts
  • Today in History
  • History of the System
  • Pioneers
  • Images
    • KS Turnpike–ODOT
    • MoDOT
    • NJDOT
    • PennDOT
    • PA Turnpike
  • Research
  • Library
  • News Room
• Events
  • Kick-Off
  • Convoy
    • Map and Schedule
    • GPS Tracking
    • Photos
    • Blogs
    • Participants
    • Vehicles
  • Policy Forum
  • State Celebrations
• Resources
  • Sponsorship
  • State Sponsors
  • Links
  • For States
• Contact Us

Today in Interstate History

October 31, 1962

The Sault Ste. Marie International Bridge, which spans over the St. Marys River between Michigan and Ontario, Canada, was opened to traffic. The steel truss arch bridge is a major link in the Interstate System, marking the northern terminus of I-75.