Konan district and Kohoku district connecting length 456.5m's Akkeshi Ohashi, Hokkaido in first's sea bridge as Showa 47 year September in opened.
Akkeshi Ohashi that could be made before's transportation means, Japan Highway Public Corporation's ferryboat "Akkeshi Maru" was, that before, town-operated's ferry with people and automobiles etc. was transporting. However, winter period, drift ice and freezing due to cancellation of voyages also often, and, Showa 40s into entering when automobiles's number of owned vehicles increased due to, ferry by's transportation was limit to reaching.
Seabed ground's boring survey by bridge to build fact was possible was revealed, Showa 44 year from 3 years a little over's construction period after passing through bridge was completed, town's greatest's desire was realized.