List of bridges in Seattle

Last updated

Bridges crossing over waterways towards downtown Seattle Ship canal bridge and downtown skyline, 2000.jpg
Bridges crossing over waterways towards downtown Seattle

The city of Seattle, Washington, United States, has multiple bridges that are significant due to their function, historical status, or engineering. Bridges are needed to cross the city's waterways and hilly topography. [1] Twelve bridges have been granted historical status by the city, federal government, or both. Seattle also has some of the only permanent floating pontoon bridges in the world. [2]

Contents

Original crossings over Seattle's mudflats were typically supported by timber piles. Lake Washington and Puget Sound are to the east and west of the city, respectively. They connect via a series of canals and Lake Union that are collectively known as the Lake Washington Ship Canal. [3] The four double-leaf bascule bridges crossing the Ship Canal are the oldest still used in the city, having opened between 1917 and 1930. The easternmost—the Montlake and University bridges—connect neighborhoods south of the canal to the University District. The Fremont Bridge crosses the center of the canal and is one of the most often raised drawbridges in the world due to its clearance over the water of only 30 feet (9.1 m). [4] The westernmost crossing of the ship canal is the Ballard Bridge. [5]

Floating bridges carry Interstate 90 and State Route 520 across Lake Washington to the Eastside suburbs. [6] The SR 520 Albert D. Rosellini Evergreen Point Floating Bridge, which opened in 2016 as the replacement for another floating bridge at the same site, [7] [8] is the longest floating bridge in the world. [9] [10] The Lacey V. Murrow Memorial Bridge had previously been replaced after the original span sunk in 1990 when water filled an open maintenance hatch during refurbishing. Age and the 2001 Nisqually earthquake have damaged the several other spans. The risk of future earthquakes has increased the need to replace already deteriorated bridges in the city, such as the Alaskan Way Viaduct (removal began in January 2019) and the Magnolia Bridge. [11] [12]

West Seattle is on a peninsula separated from downtown by the Duwamish River. The West Seattle Bridge is the primary roadway crossing the river. [13] The neighborhood's Spokane Street Bridge is the world's first and only hydraulically operated concrete double-leaf swing bridge. [14]

List of bridges

Key: Year opened
*: Listed in the National Register of Historic Places [15]
†: Listed as a city landmark [16]
Name
(Alternative names in parentheses)
ImageYear openedTypeLengthSpansCarriesCoordinates
Arboretum Sewer Trestle Seattle - Arboretum Bridge 04.jpg c.1913*† [17] Arch 180 ft (55 m) [17] Lake Washington Boulevard ESewer and a footpath 47°38′22″N122°17′50″W / 47.63952°N 122.29724°W / 47.63952; -122.29724
Ballard Bridge
(15th Avenue Bridge)
Ballard Bridge from Seattle Maritime Academy 01.jpg 1917* [18] Bascule 2,854 ft (870 m) [19] Salmon Bay 15th Avenue W/15th Avenue NW 47°39′35″N122°22′34″W / 47.65980°N 122.37622°W / 47.65980; -122.37622
Cowen Park Bridge Cowen Park Bridge 01 - colormapped.jpg 1936*† [20] Arch 358 ft (109 m) [20] A ravine in Cowen Park 15th Avenue NE 47°40′24″N122°18′42″W / 47.67338°N 122.31178°W / 47.67338; -122.31178
First Avenue South Bridge Aerial view of Highway 99 crossing Duwamish Waterway in Seattle.jpg 1956 [lower-alpha 1] Bascule 300 ft (91 m) [22] Duwamish River State Route 99 47°32′32″N122°20′04″W / 47.54231°N 122.33443°W / 47.54231; -122.33443
Fremont Bridge
(Fremont Avenue Bridge) [23]
Fremont Bridge 6.jpg 1917*† [lower-alpha 2] Bascule 242 ft (74 m) [25] Fremont Cut Road connecting Fremont Avenue N and 4th Avenue N 47°38′51″N122°20′59″W / 47.64750°N 122.34967°W / 47.64750; -122.34967
George Washington Memorial Bridge
(Aurora Bridge) [26]
Aurora Bridge from Fremont Bridge.jpg 1932*† [22] Cantilever and truss 2,945 ft (898 m) [26] Lake Union Aurora Avenue N (State Route 99) 47°34′16″N122°21′13″W / 47.57112°N 122.35366°W / 47.57112; -122.35366
Homer M. Hadley Memorial Bridge
(Third Lake Washington Bridge)
I-90 Lake Washington Bridge 01.jpg 1989 [22] Floating pontoon 5,811 ft (1,771 m) [22] Lake Washington Interstate 90 47°35′23″N122°16′10″W / 47.58984°N 122.26942°W / 47.58984; -122.26942
Jeanette Williams Memorial Bridge
(West Seattle Bridge) [27]
West Seattle Bridge 02.jpg 1984 [28] Cantilever 2,607 ft (705 m) [27] Duwamish River Road connecting Fauntleroy Way SW and the Spokane Street Viaduct 47°34′15″N122°21′01″W / 47.57094°N 122.35033°W / 47.57094; -122.35033
Jose Rizal Bridge
(12th Avenue South Bridge) [29]
Seattle - 12th Ave Bridge 04.jpg 1911* [30] Truss arch 420 ft (130 m) [30] S Dearborn Street and Interstate 90 12th Avenue S 47°35′45″N122°19′02″W / 47.59584°N 122.31728°W / 47.59584; -122.31728
Lacey V. Murrow Memorial Bridge I-90 floating bridges looking west.JPG 1993 [lower-alpha 3] Floating pontoon 6,620 ft (2,020 m) [22] Lake Washington Interstate 90 47°35′24″N122°16′13″W / 47.58988°N 122.27031°W / 47.58988; -122.27031
Magnolia Bridge Seattle - Magnolia Bridge 01.jpg 1930 [12] Truss 3,600 ft (1097 m) [31] Filled-in tidelands of Smith Cove W Garfield Street 47°38′00″N122°22′57″W / 47.63344°N 122.38255°W / 47.63344; -122.38255
Montlake Bridge
(Eastlake Bridge)
Montlake-Bridge-2909.jpg 1925*† [32] Bascule 344 ft (105 m) [32] Lake Washington Ship Canal Montlake Boulevard E/Montlake Boulevard NE (State Route 513) 47°38′50″N122°18′17″W / 47.6473°N 122.30468°W / 47.6473; -122.30468
North Queen Anne Drive Bridge Seattle - N. Queen Anne Dr. Bridge 02.jpg 1936† [33] Arch 238 ft (73 m) [33] Wolf CreekQueen Anne Drive 47°38′31″N122°21′09″W / 47.64206°N 122.35238°W / 47.64206; -122.35238
Salmon Bay Bridge Salmon Bay Bridge open 01.jpg 1914† [34] Bascule and truss 200 ft (61 m) [35] Salmon Bay BNSF Railway 47°40′00″N122°24′08″W / 47.66680°N 122.40213°W / 47.66680; -122.40213
Ship Canal Bridge Seattle - I-5 Ship Canal Bridge from Latona 01.jpg 1962 [36] Truss 4,429 ft (1,350 m) [37] Portage Bay Interstate 5 47°39′11″N122°19′21″W / 47.65309°N 122.32252°W / 47.65309; -122.32252
Schmitz Park Bridge Seattle - Schmitz Park Bridge sign.jpg 1936*† [38] Rigid frame 175 ft (53 m) [14] A ravine in Schmitz Park SW Admiral Way 47°34′38″N122°24′11″W / 47.57731°N 122.40310°W / 47.57731; -122.40310
Spokane Street Bridge Spokane Street Bridge - view from east approach of swing span turned (2009).jpg 1991 [19] Swing480 ft (150 m) [19] Duwamish River SW Spokane Street 47°34′17″N122°21′12″W / 47.57138°N 122.35336°W / 47.57138; -122.35336
SR 520 Albert D. Rosellini Evergreen Point Floating Bridge
(Evergreen Point Floating Bridge, 520 Bridge) [39]
Evergreen Point Floating Bridge (2016) from east end after opening, April 2016.jpg 2016 [7] Floating pontoon 7,708 ft (2,350 m) [10] Lake Washington State Route 520 47°38′26″N122°15′37″W / 47.64051°N 122.26019°W / 47.64051; -122.26019
20th Avenue NE Bridge
(Ravenna Park Bridge)
Ravenna Park Bridge 06 - colormapped.jpg 1913*† [40] Arch 354 ft (108 m) [14] A ravine in Ravenna Park 20th Avenue NE (pedestrian/bicycle access only) 47°40′19″N122°18′23″W / 47.67189°N 122.30632°W / 47.67189; -122.30632
University Bridge Seattle Univ Bridge 03A.jpg 1919* [lower-alpha 4] Bascule 218 ft (66 m) [25] Portage Bay Eastlake Avenue E/Eastlake Avenue NE 47°39′11″N122°19′12″W / 47.65309°N 122.32010°W / 47.65309; -122.32010
South Park Bridge New South Park Bridge from west in 2022 - Seattle, WA.jpg 2014 Bascule Duwamish River 14th/16th Avenue South 47°31′45″N122°18′50″W / 47.5293°N 122.314°W / 47.5293; -122.314

Demolished or defunct bridges

Name
(Alternative names in parentheses)
ImageYear openedYear closedTypeLengthSpannedCarriedReplacementCoordinates
Alaskan Way Viaduct The Alaskan Way Viaduct.jpg 1953 [41] 2019 [41] Viaduct 11,088 ft (3,380 m) [42] Alaskan Way State Route 99 SR 99 Tunnel [41] 47°36′14″N122°20′18″W / 47.6040°N 122.3382°W / 47.6040; -122.3382
Fairview Avenue North Bridge1948 (west) 1963 (east) [43] 2019 [44] Timber-pile bridge [45] mudflats in Lake Union [44] Fairview Avenue N [45] Fairview Avenue N [45] 47°37′52″N122°19′40″W / 47.6312°N 122.3278°W / 47.6312; -122.3278
Fremont Bridge (c. 1891) 1890 [46] 1911 [47] Trestle [46] Fremont Cut [46] Road connecting Fremont Avenue N and 4th Avenue NFremont Bridge (1911) [46] 47°38′51″N122°20′59″W / 47.6475°N 122.3497°W / 47.6475; -122.3497
Fremont Bridge (1911) 1911 [46] 1914 [47] Trestle Fremont Cut [46] Road connecting Fremont Avenue N and 4th Avenue N Fremont Bridge [46] 47°38′51″N122°20′59″W / 47.6475°N 122.3497°W / 47.6475; -122.3497
Governor Albert D. Rosellini Bridge—Evergreen Point
(Evergreen Point Floating Bridge, 520 Bridge)
Evergreen Point Floating Bridge.jpg 1963 [22] 2016 [48] Floating pontoon 7,578 ft (2,310 m) [22] Lake Washington State Route 520 Evergreen Point Floating Bridge (2016) [48] 47°38′26″N122°15′39″W / 47.6405°N 122.2609°W / 47.6405; -122.2609
Grant Street Bridge View NW from Beacon Hill, ca. 1900.jpg 1886 [49] c. 1910 Timber-pile bridge 2,640 ft (805 m) or 5,280 ft (1,609 m) [50] [51] Duwamish River and Elliott Bay mudflats [52] Primary thoroughfare from S Jackson Street to South Seattle [49] Seattle Boulevard (later Airport Way S) [49]
Grant Street Electric Railway Bridge Excursion party on an electric streetcar of the Grant Street Electric Railway at a wooden drawbridge near South park, Duwamish (LAROCHE 164).jpeg before 1891 ?Wooden truss bridge Duwamish River Grant Street Electric Railway South Park Bridge 47°18′53″N122°11′06″W / 47.3146°N 122.1851°W / 47.3146; -122.1851
Latona Bridge Old Latona Bridge, University District, , ca 1909 (SEATTLE 3678).jpg 1891 [lower-alpha 5] 1919Primarily cantilevered timber [53] 100 ft (30 m) [53] Narrow point of north west Lake Union [53] Seattle Electric Company (original) General traffic (after completion of second span) [53] University Bridge [53] 47°39′09″N122°20′32″W / 47.6525°N 122.3421°W / 47.6525; -122.3421
Post Avenue Bridge [54] 1890 [55] 2017 [lower-alpha 6] Timber-pile bridge [55] 240 ft (73 m) [54] Elliott Bay waterfront [55] Post AvenuePost Avenue 47°36′12″N122°20′10″W / 47.6032°N 122.3362°W / 47.6032; -122.3362
South Park Bridge Seattle - South Park Bridge 01.jpg 19312010 Bascule 1,285 ft (392 m) Duwamish River 14th/16th Avenue S New South Park Bridge 47°31′45″N122°18′50″W / 47.5293°N 122.314°W / 47.5293; -122.314
Stone Way Bridge Looking east toward the Stone Way Bridge from the Fremont Bridge, Seattle, Washington, May 4, 1916 (LEE 157) (cropped).jpeg 19111918 Trestle 2,700 ft (823 m) Lake Union Stone Way Fremont Bridge 47°38′47″N122°20′37″W / 47.6463°N 122.3437°W / 47.6463; -122.3437
West Wheeler Street Bridge Seattle - West Wheeler Street Bridge, 1914 (43797443804).gif before 19141924 Trestle mudflats in Interbay W Wheeler Street, and Lawton Way (now W Armory Way) on a diagonal Magnolia Bridge 47°38′27″N122°22′53″W / 47.6408°N 122.3813°W / 47.6408; -122.3813
West Seattle Bridge [56] c. 1900c. 1900c. 1911"swinging gate" Duwamish River (unnamed, future route of Spokane Street); water mainWest Seattle Bridge c. 1911
West Seattle Bridge [56] c. 1911 (Spokane Street Bridge) [57] [58] Old Spokane St drawbridge looking west, Seattle, Washington, February 27, 1918 (LEE 9).jpeg c. 1911 [57] c. 1918 [58] Swing bridge Duwamish West Waterway Spokane Street; water mainWest Seattle Bridge c. 1918
West Seattle Bridge c. 1918 [56] (Spokane Street Bridge) [58] Automobiles and horse drawn wagon hauling lumber, W Spokane St, Seattle, Washington, June 29, 1918 (LEE 186).jpeg c. 1918 [58] 1924 Swing bridge Duwamish West Waterway Spokane Street West Seattle Bridge (1924)
West Spokane Street Bridge (1924) (Bridge No. 1; North Bridge; westbound traffic after 1930) [56] Seattle - Spokane Street Bridges, 1931 (48232722292).jpg 19241978 Bascule Duwamish West Waterway Spokane Street West Seattle Bridge (1984) and Spokane Street Bridge
West Spokane Street Bridge (1930) (Bridge No. 2; South Bridge; eastbound traffic) [59] 19301989 Bascule Duwamish West Waterway Spokane Street West Seattle Bridge (1984) and Spokane Street Bridge

See also

Notes

  1. A parallel span was built in 1996; the approaches to the original span were partially demolished and the structure was retrofitted between 1996 and 1998. [21]
  2. The city rebuilt the approaches at each end of the bridge between 2006 and 2007. [24]
  3. All but the approaches replace the original bridge, which opened in 1940 and sank in 1990. [22]
  4. Remodeled and dedicated in 1933. [19]
  5. Carried the first streetcar line across Lake Union, but converted to pedestrian, horse, and vehicle traffic when a parallel span was built for streetcars in 1901. [53]
  6. Paved with creosoted wood blocks in 1911 before being completely asphalted over in 1945. [55]

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<span class="mw-page-title-main">Portage Bay</span>

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<span class="mw-page-title-main">Washington State Route 520</span> Freeway in King County, Washington, US

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<span class="mw-page-title-main">Evergreen Point Floating Bridge (1963)</span> Former highway floating bridge in Seattle, Washington, United States

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<span class="mw-page-title-main">Lacey V. Murrow Memorial Bridge</span> Floating bridge in Seattle, Washington, U.S.

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<span class="mw-page-title-main">Montlake Bridge</span> Drawbridge in Seattle, Washington, United States

The Montlake Bridge is a double-leaf bascule bridge that carries State Route 513 over Seattle's Montlake Cut—part of the Lake Washington Ship Canal—connecting Montlake and the University District.

<span class="mw-page-title-main">Aurora Bridge</span> Highway bridge in Seattle, US

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<span class="mw-page-title-main">Washington State Route 513</span> State highway in King County, Washington, US

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<span class="mw-page-title-main">Homer M. Hadley Memorial Bridge</span> Floating bridge in Seattle, Washington, U.S.

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<span class="mw-page-title-main">Evergreen Point Floating Bridge</span> Floating bridge carrying a freeway in Seattle, Washington

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<span class="mw-page-title-main">Westlake Avenue</span>

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