The Hood Canal Bridge is a floating bridge

Pontoon bridge

A pontoon bridge or floating bridge is a bridge that floats on water and in which barge- or boat-like pontoons support the bridge deck and its dynamic loads. While pontoon bridges are usually temporary structures, some are used for long periods of time...

 located in the U.S.

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 state of Washington that carries Washington State Route 104 across Hood Canal

Hood Canal

Hood Canal is a fjord forming the western lobe, and one of the four main basins, of Puget Sound in the state of Washington. Hood Canal is not a canal in the sense of being a man-made waterway—it is a natural waterway.-Geography:...

 and connects the Olympic

Olympic Peninsula

The Olympic Peninsula is the large arm of land in western Washington state of the USA, that lies across Puget Sound from Seattle. It is bounded on the west by the Pacific Ocean, the north by the Strait of Juan de Fuca, and the east by Puget Sound. Cape Alava, the westernmost point in the contiguous...

 and Kitsap

Kitsap Peninsula

The Kitsap Peninsula is an arm of land that is part of the larger Olympic Peninsula in Washington state that lies west of Seattle across Puget Sound. Hood Canal separates Kitsap Peninsula from the rest of the Olympic Peninsula...

 Peninsulas. At 7869 feet (2,398.5 m) long, (floating portion 6521 feet (1,987.6 m) it is the longest floating bridge in the world located in a saltwater tidal basin, and the third longest floating bridge overall. First opened in 1961, it was the second concrete floating bridge constructed in Washington.