The Agate Pass Bridge is a

structural steel Structural steel is a category of steel used for making construction materials in a variety of shapes. Many structural steel shapes take the form of an elongated beam having a profile of a specific cross section. Structural steel shapes, sizes, ...

truss A truss is an assembly of ''members'' such as beams, connected by ''nodes'', that creates a rigid structure. In engineering, a truss is a structure that "consists of two-force members only, where the members are organized so that the assembl ...

cantilever bridge A cantilever bridge is a bridge built using structures that project horizontally into space, supported on only one end (called cantilevers). For small footbridges, the cantilevers may be simple beam (structure), beams; however, large cantilever ...

spanning

Agate Pass Agate Pass or Agate Passage is a high-current tidal strait in Puget Sound connecting Port Madison and mainland Kitsap County in the US state of Washington. It lies between Bainbridge Island and the mainland of the Kitsap Peninsula near Suquamis ...

, connecting

Bainbridge Island Bainbridge Island is a city and island in Kitsap County, Washington. It is located in Puget Sound. The population was 23,025 at the 2010 census and an estimated 25,298 in 2019, making Bainbridge Island the second largest city in Kitsap County. ...

to the

Kitsap Peninsula The Kitsap Peninsula () lies west of Seattle across Puget Sound, in Washington state in the Pacific Northwest. Hood Canal separates the peninsula from the Olympic Peninsula on its west side. The peninsula, a.k.a. "Kitsap", encompasses all of Kits ...

. It was built in 1950, and it replaced a car ferry service which dated from the 1920s. The bridge provides a direct route along

Washington State Route 305 State Route 305 (SR 305) is a state highway in the U.S. state of Washington, primarily serving Bainbridge Island in Kitsap County and connecting it to Seattle in King County via the Seattle–Bainbridge ferry. The highway travels nort ...

between

Seattle Seattle ( ) is a seaport city on the West Coast of the United States. It is the seat of King County, Washington. With a 2020 population of 737,015, it is the largest city in both the state of Washington and the Pacific Northwest regio ...

, via the Seattle-Bainbridge Island ferry, and the

. The Agate Pass Bridge is long and is above the water and has a channel clearance of between piers. The original construction cost of $1,351,363 was paid out of the motor vehicle fund, and operated as a

toll bridge A toll bridge is a bridge where a monetary charge (or ''toll'') is required to pass over. Generally the private or public owner, builder and maintainer of the bridge uses the toll to recoup their investment, in much the same way as a toll road. ...

from October 7, 1950, until October 1, 1951, when costs were repaid by a

bond issue In finance, a bond is a type of security under which the issuer (debtor) owes the holder (creditor) a debt, and is obliged – depending on the terms – to repay the principal (i.e. amount borrowed) of the bond at the maturity date as well as i ...

passed by the

Washington State Legislature The Washington State Legislature is the state legislature of the U.S. state of Washington. It is a bicameral body, composed of the lower Washington House of Representatives, composed of 98 Representatives, and the upper Washington State Senat ...

. The

Washington Toll Bridge Authority The Washington Toll Bridge Authority was created in 1937 by the Washington State Legislature, with a mandate to finance, construct and operate toll bridges. The first act of the Authority was to purchase the Manette Bridge, previously a privatel ...

managed the bridge during the year it took to repay the bond. The Agate Pass Bridge is listed on the

National Register of Historic Places The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artistic v ...

References

{{coord, 47.71237, -122.56591, type:landmark, display=title Bridges completed in 1950 Bainbridge Island, Washington Transportation buildings and structures in Kitsap County, Washington Road bridges on the National Register of Historic Places in Washington (state) Former toll bridges in Washington (state) National Register of Historic Places in Kitsap County, Washington Steel bridges in the United States Cantilever bridges in the United States 1950 establishments in Washington (state)