Designed first and foremost to be practical, bridges nevertheless are often breathtaking in their construction, combining function and aesthetics. The historic structures that span the Evergreen State's highways are no exception. These technological wonders are extraordinary by any measure, yet their stories have remained largely unknown.Conceived by visionary engineers and built by anonymous workmen, Washington's highway bridges are amazing triumphs of skill, and played a significant role in the state's history. Several, at the time of their completion, attracted worldwide attention and the praise of professional engineers, influencing the course of bridge construction.

In their quest to compile the first comprehensive history of the state's highway bridges, the authors poured through the extensive records at the Washington State Department of Transportation (WSDOT), collecting definitive documentation and photographs from across the state. This magnificent book, including more than 100 illustrations, represents the culmination of years of study by many individuals associated with WSDOT and the Office of Archaeology and Historic Preservation (Olympia).