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297:. Crews then discovered more severe damage to the position sensor and hydraulic seal that control the bridge's movement, prompting a longer closure. It reopened on January 13, 2023, following three weeks of repairs. A temporary bicycle lane was installed in SODO to mitigate the bridge's closure. The bridge was closed for four days in October 2023 to repair and reinstall the hydraulic cylinder in the eastern tower, which had been removed in January.
218:, situated in center piers at each side of the river. As the bridge intersects the river at an oblique angle, both leaves rotate only 45 degrees (one-eighth turn) to clear the shipping channel instead of the 90-degree turn of most swing spans. It is claimed to be the only bridge of its type in the world and it has received several awards for its innovation, including the Outstanding Engineering Achievement Award of the
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in late June, general traffic was allowed to use the
Spokane Street Bridge from 9 p.m. to 5 a.m. Automatic ticketing cameras were installed in January 2021 and issued 5,300 tickets in the first weeks of February. The high-rise bridge was reopened to traffic on September 17, 2022, and restrictions on the Spokane Street Bridge ended at the same time.
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The high-rise bridge was closed in March 2020 due to rapid growth of cracks on its underside, leaving the
Spokane Street Bridge as the main route to West Seattle. The lower bridge was restricted to transit, freight, emergency vehicles, and longshore workers, with limited patrols by police. Beginning
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and carbon fiber, similar to the work carried out on the high-rise bridge. Additional upgrades to the hydraulic systems, computers, and communications lines are planned to begin in 2023. The bridge was closed on
December 23, 2022, after it failed to close properly during a major
269:") were offered to replace the prior bridges, but did not receive the required approval. A 1978 freighter collision with the 1924 bridge (and subsequent closure) exacerbated the need to replace the older bridges, and federal funding was secured. The
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was opened in 1984 to carry most of the traffic previously handled by the old West
Spokane Street Bridge, with the lower Spokane Street Bridge opening in 1991 to serve local traffic to Harbor Island.
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199:. It has two separate end-to-end swing-span sections, each 480 feet (150 m) long. Its construction was finished in 1991, replacing an earlier bridge destroyed by a
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362:"ASCE Honors and Awards: Outstanding Civil Engineering Achievement, 1992 [listed as West Seattle Low Level Bridge]"
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The
Spokane Street Bridge is the lower of the two bridges visible in this picture. Behind it is the higher
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Each 7,500-short-ton (6,800 t) leaf of the bridge floats on a 100-inch (2.5 m) steel barrel in
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315:"West Seattle Connection: World's Only Hydraulically Operated Double-Leaf Concrete Swing Bridge"
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SDOT began repairs to the
Spokane Street Bridge in mid-2022 to reinforce its swing span with
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in 1992. In a typical year, it opens approximately 1,500 times for river traffic.
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414:"West Seattle's low bridge opens to general traffic late at night"
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486:"West Seattle swing bridge gets repairs like its bigger sibling"
203:. It is named after Spokane Street, which itself is named after
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464:. Seattle Department of Transportation. September 18, 2022
320:. City of Seattle Engineering Department. Archived from
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Bike lane on the bridge as the bridge starts rotating.
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541:"West Seattle swing bridge reopens four days early"
515:"Spokane Street Bridge closed for at least 2 weeks"
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25:Swing bridge in Seattle, Washington, United States
698:George Washington Memorial Bridge (Aurora Bridge)
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187:. It carries Southwest Spokane Street over the
44:One of the bridge's swing-span sections turned
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462:"Spokane St Swing Bridge (Low Bridge) Access"
225:The bridge was featured in a 2007 episode of
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912:Italics denote former bridges and tunnels.
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261:The prior bridge at this location was the
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1005:1991 establishments in Washington (state)
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388:"Seattle reopens Spokane Street Bridge"
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483:Minnick, Benjamin (November 2, 2022).
1010:Concrete bridges in the United States
823:Aubrey Davis Park (Mercer Island Lid)
438:Markovich, Matt (February 17, 2021).
364:. American Society of Civil Engineers
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349:Seattle Department of Transportation
539:Lindblom, Mike (October 10, 2023).
513:Kroman, David (December 28, 2022).
220:American Society of Civil Engineers
1000:Road bridges in Washington (state)
995:Swing bridges in the United States
611:Bridges and tunnels in and around
386:Kroman, David (January 13, 2023).
257:West Seattle Bridge § History
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492:Seattle Daily Journal of Commerce
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412:Lindblom, Mike (June 25, 2020).
346:"Bridges and Roadway Structures"
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866:Downtown Seattle Transit Tunnel
713:Lacey V. Murrow Memorial Bridge
703:Homer M. Hadley Memorial Bridge
682:Evergreen Point Floating Bridge
675:Evergreen Point Floating Bridge
351:. Retrieved September 3, 2017.
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728:North Queen Anne Drive Bridge
173:West Seattle Low-Level Bridge
175:, is a concrete double-leaf
207:, which is named after the
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769:West Spokane Street Bridge
629:List of tunnels in Seattle
624:List of bridges in Seattle
263:West Spokane Street Bridge
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18:West Spokane Street Bridge
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990:Bridges completed in 1991
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688:First Avenue South Bridge
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16:Not to be confused with
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951:Spokane Street Bridge
876:Northgate Link tunnel
871:Great Northern Tunnel
829:Battery Street Tunnel
818:State Route 99 Tunnel
753:20th Avenue NE Bridge
748:Spokane Street Bridge
575:Spokane Street Bridge
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169:Spokane Street Bridge
139:480 feet (150 m)
32:Spokane Street Bridge
577:at Wikimedia Commons
171:, also known as the
73:47.5714°N 122.3533°W
945:West Seattle Bridge
763:West Seattle Bridge
733:Schmitz Park Bridge
669:East Channel Bridge
653:Alaskan Way Viaduct
271:West Seattle Bridge
244:West Seattle Bridge
205:Spokane, Washington
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664:Cowen Park Bridge
573:Media related to
545:The Seattle Times
519:The Seattle Times
418:The Seattle Times
392:The Seattle Times
327:on August 8, 2018
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228:Really Big Things
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329:. Retrieved
322:the original
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177:swing bridge
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136:Longest span
130:swing bridge
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961:Elliott Bay
550:October 10,
498:November 6,
468:November 6,
446:November 6,
397:January 18,
76: /
64:122°21′12″W
51:Coordinates
979:Categories
957:Downstream
301:References
185:Washington
113:Washington
61:47°34′17″N
295:ice storm
201:collision
128:Concrete
941:Upstream
157:Location
890:Utility
804:Tunnels
638:Bridges
613:Seattle
423:July 5,
368:June 9,
251:History
181:Seattle
144:History
109:Seattle
97:Crosses
89:Carries
684:(2016)
678:(1963)
442:. KOMO
149:Opened
125:Design
115:, U.S.
105:Locale
325:(PDF)
318:(PDF)
290:epoxy
854:Rail
811:Road
779:Rail
645:Road
552:2023
526:2022
500:2022
470:2022
448:2022
425:2020
399:2023
370:2013
333:2014
167:The
152:1991
841:Lid
195:to
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
