Category: Bridges

  • 4-4-2 Columbia Crossing

    Columbia River Crossing … a tunnel, a “Burnside Bridge” with MAX, and a freight arterial with added passenger rail capacity … Let’s call it the “4-4-2.” Deliberations have begun on different options for a Columbia River Crossing. A tunnel under the Columbia River (including Oregon Slough/Portland Harbor) may offer a simple – even elegant, data…