Skip to main content
Most King County offices will be closed on Monday, for Martin Luther King Day.  
King County logo
The Bridges of King County Through the Lens of T. P. Blum: 1931 - 1934

Simple, Continuous and Cantilever Spans

There are three basic types of spans: simple, continuous and cantilever. Simple spans cross from one support to another, continuous spans cross from one side to another, and cantilever spans are supported at the ends or in the middle, and can be held up by tensile suspension.


Circle Water Bridge, SE Green Valley Rd at 174th Ave SE, 2 miles SE of Auburn: Burns Creek, June 28, 1932. (Series 474, Bridge Number 3017. Section 25, Township 21N, Range 5E.)

TTY Relay 711

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

Please note the Archives is closed Wednesdays.