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The Bridges of King County Through the Lens of T. P. Blum: 1931 - 1934


The following resources were used in creating this exhibit:

    Series 474, Bridge files: photographs, Road Engineer, 1904–1988

    King County Archives, Seattle, Washington.

    A Context for Common Historic Bridge Types, NCHRP Project 25-25, Task 15

    Prepared for the National Cooperative Highway Research Program, Transportation Research Council, National Research Council by Parsons Brinckerhoff and Engineering and Industrial Heritage, October 2005.

    Bridge Truss Types: a guide to dating and identifying

    American Association for State and Local History Technical Leaflet 95, History News, Vol.32, No. 5, May 1977. By T. Allan Comp, Regional Historian Pacific Northwest Region and Donald Jackson, Civil Engineer, Historic American Engineering Record, National Park Service.

    Bridges of Washington State: A slideshow premier of technology through time essay number 8860

    Bridges & Tunnels of Allegheny County & Pittsburg, PA

TTY Relay 711

Monday, Tuesday, Thursday, and Friday: 9 am-4 pm

Please note the Archives is closed Wednesdays.