But what, exactly, should it look like? The agency presented several styles, including a suspension bridge (Tacoma Narrows style) and an above deck arch bridge at its open house at Salishan Family ...

Instead of pushing straight down, the weight of an arch bridge is carried outward along the curve of the arch to the supports at each end. These supports, called the abutments, carry the load and ...

The bridge was designed in homage to Robert Maillart’s 1933 Schwandbach Bridge near Bern, Switzerland, which is a curved, ...

The arch is squeezed together, and this squeezing force is carried outward along the curve to the supports at each end. The supports, called abutments, push back on the arch and prevent the ends ...