Skip to main content
The Third Avenue entrance to the King County Courthouse is temporarily closed. Please use the Fourth Avenue entrance.  
King County logo
The Bridges of King County Through the Lens of T. P. Blum: 1931 - 1934

Drawbridge

A drawbridge is a bridge that can be moved to allow tall vessels or vehicles to pass through or to prevent crossing. The bascule bridge, shown below, operates through the use of a counterweight that continuously balances the span throughout its upwards swing.

Bridge_no_3179__June_6_1932__TPBlum

South Park Bridge, 14th/16th Avenues S: Duwamish River, June 6, 1932. (Series 474, Bridge Number 3179. Section 34, Township 24N, Range 4E.)

TTY Relay 711

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

Please note the Archives is closed Wednesdays.