Homer M. Hadley Memorial Bridge

Homer M. Hadley Memorial Bridge
The two spans of the Homer M. Hadley Memorial Bridge (left) and the Lacey V. Murrow Memorial Bridge (right) in 2016, looking east toward Mercer Island
Coordinates	47°35′23″N 122°16′08″W / 47.5898°N 122.269°W / 47.5898; -122.269
Carries	I-90 (four westbound lanes)
Crosses	Lake Washington
Locale	Seattle, Washington, U.S.
Maintained by	Washington State Department of Transportation
Preceded by	Lacey V. Murrow Memorial Bridge
Characteristics
Design	Pontoon bridge
Total length	5,811 ft (1,771 m)
History
Opened	June 4, 1989
Location

The Third Lake Washington Bridge, officially the Homer M. Hadley Memorial Bridge, is a floating bridge in the Seattle metropolitan area of the U.S. state of Washington. It is one of the Interstate 90 floating bridges, carrying the westbound lanes of Interstate 90 across Lake Washington between Mercer Island and Seattle. The floating bridge is the fifth-longest of its kind in the world, at 5,811 feet (1,772 m).