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Additional Information: L. Romano Engineering Company of Seattle, Washington was the superstructure contractor. S. S. Mullin, Inc of Seattle, Washington was the substructure contractor.
This bridge is an example of a typical cantilever through truss using a style that the Washington Department of Highways preferred. The distinctive cantilever style differs from those commonly found in other states in that the pointed towers above the roadway are eliminated by locating the extra truss depth required at the piers to below the deck. This design reduced the size and cost of piers.
Romano and Company as the contractor for the superstructure and S. S. Mullen and Company was the substructure contractor.
The previous bridge at this location was built in 1929. Its replacement with the bridge seen today was required because of the massive reservoir created by the Grand Coulee Dam. Today, the water level reaches nearly to the deck of the previous bridge. Remains of the previous bridge's abutment can be found at the west end of the bridge.
A railroad bridge was built next to this bridge at the same time. Built at the exact same time over the exact same river right next to each other, the two bridges of the same general type (cantilevered through truss) with their vastly different design details and appearances contrast the different approach taken to bridge design by the railroad and the state highway department.
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