List of bridges in Seattle

Columns: Name ( Alternative names in parenthesis ) | Year opened | Type | Length | Spans | Carries
Arboretum Sewer Trestle | c. 1913*† | Arch | 180 ft ( 55 m ) | Lake Washington Boulevard E | Sewer and a footpath | Ballard Bridge ( 15th Avenue Bridge ) | 1917* | Bascule | 2,854 ft ( 870 m ) | Salmon Bay | 15th Avenue NW | Cowen Park Bridge | 1936*† | Arch | 358 ft ( 109 m ) | A ravine in Cowen Park | 15th Avenue NE | First Avenue South Bridge | 1956 | Bascule | 300 ft ( 91 m ) | Duwamish River | State Route 99 | Fremont Bridge ( Fremont Avenue Bridge ) | 1917*† | Bascule | 242 ft ( 74 m ) | Fremont Cut | Road connecting Fremont Avenue N and 4th Avenue N | George Washington Memorial Bridge ( Aurora Bridge ) | 1932*† | Cantilever and truss | 2,945 ft ( 898 m ) | Lake Union | State Route 99 | Homer M. Hadley Memorial Bridge ( Third Lake Washington Bridge ) | 1989 | Floating pontoon | 5,811 ft ( 1,771 m ) | Lake Washington | Interstate 90

Example questions:
Which bridge in Seattle has a superstructure and substructure that are rigidly connected to act as a continuous unit ? | Which bridge in Seattle carries part of the largest freight railroad network in North America ? | What type of bridge is the bridge in Seattle also known as the Wilcox Footbridge ? | Which bridge in Seattle spans the river that is the lower 12 miles ( 19 km ) of Washington state 's Green River ? | Which bridge in Seattle spans a single contiguous recreation and green space in the Ravenna neighborhood of Seattle ?

Answers:
Schmitz Park Bridge | Salmon Bay Bridge | Arch | First Avenue South Bridge | Cowen Park Bridge