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BNSF - Salmon Bay Bridge No. 4

King County, Washington

Photos 

Bridge 4

View from East

Photo taken by K. A. Erickson in June 2013

Enlarge

BH Photo #262046

Map 

Street View 

Video 

Bridge 6.3 Seattle: Freight Trains and Boats

SeattleRail Fan

Play video on YouTube

Description 

http://mynorthwest.com/1141666/salmon-bay-railroad-bridge/

BNSF Railway is in the early stages of seeking a permit from the US Coast Guard to replace this bridge, which carries 30-40 passenger and freight trains per day.

BNSF spokesperson Courtney Wallace says the 104-year old span is reaching the end of its useful life, and the railroad wants to be proactive about replacing a key part of its north-south rail line through Seattle.

This Strauss heel trunion has a operating struts with brake shoes that grip the top and bottom flanges when this bridge is raised the strut attached to the bascule span droops or hangs toward the counterweight. These bridges were constructed in the year of 1914 to 1920,the 191 foot Northern Pacific bascule bridge was built the same way mentioned earlier crossing the Lake Washington Canal, one in Buffalo NY for the Delaware Lackawanna & Western railroad a 125 foot Bridge crossing the Buffalo River also has emergency brake shoes. The same river Buffalo for the Buffalo Creek Railroad (CP draw) a 174 foot span also a 132 foot bridge for the New York Central railroad. Tonawanda NY over the Tonawanda Creek a 125 foot bridge for the New York Central Railroad in North Carolina a 117 foot bridge for the Seaboard Airline crossing the Cape Fear River a 99ft 3inches rail bridge for the Illinois Central railroad crossing the Galena River in Illinois, in Doctortown GA a 117 foot bridge crossing the Altahama River.

Facts 

Overview
Warren through truss bridge over Salmon Bay on BNSF Railroad ( 2 tracks)
Location
Seattle, King County, Washington
Status
Open to RR traffic; carries 30-40 passenger and freight trains per day.
Future prospects
BNSF Railway is in the early stages of seeking a permit from the US Coast Guard to replace this bridge, which carries 30-40 passenger and freight trains per day.
History
Built 1913
Builders
- Fort Pitt Bridge Works of Pittsburgh, Pennsylvania
- Strauss Bascule Bridge Co. of Chicago, Illinois
Railroads
- BNSF Railway (BNSF)
- Burlington Northern Railroad (BN)
- Great Northern Railway (GN)
Design
Warren through truss bascule
Dimensions
Length of largest span: 200.0 ft.
Total length: 1,145.0 ft.
Recognition
Eligible for the National Register of Historic Places
Also called
BNSF Salmon Bay Bridge
FN Salmon Bay Bridge
BN Salmon Bay Bridge
Approximate latitude, longitude
+47.66664, -122.40193   (decimal degrees)
47°39'60" N, 122°24'07" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/544899/5279423 (zone/easting/northing)
Quadrangle map:
Shilshole Bay
Inventory number
BH 57489 (Bridgehunter.com ID)

Categories 

BNSF Railway (1,217)
Bascule (1,032)
Built 1913 (796)
Built during 1910s (9,114)
Burlington Northern Railroad (350)
Deck girder (4,917)
Doomed (1,066)
Fort Pitt Bridge Works (35)
Girder (8,883)
Great Northern Railway (276)
Have street view (24,664)
King County, Washington (182)
Machinery Counterweight Bridge Tower (40)
Movable (2,799)
NR-eligible (3,991)
 Navigable waterway (2,087)
Open (37,981)
Owned by railroad (10,840)
Plate girder (6,761)
Railroad (14,196)
Seattle, Washington (53)
Span length 175-250 feet (1,859)
Strauss Bascule Bridge Co. (168)
Strauss Heel Trunnion Bascule (53)
Through truss (13,614)
Total length 1000-2500 feet (1,721)
Truss (30,595)
Warren through truss (1,522)
Warren truss (6,008)
Washington (1,185)

Update Log 

  • November 17, 2018: New photos from Douglas Butler
  • October 24, 2018: New photo from Douglas Butler
  • October 16, 2018: New photo from Alexander D. Mitchell IV
  • October 15, 2018: Updated by Alexander D. Mitchell IV: Plans for replacement underway by railroad
  • May 3, 2017: New photos from Douglas Butler
  • February 22, 2016: New photos from Douglas Butler
  • January 26, 2016: New photo from Douglas Butler
  • November 13, 2015: New video from Douglas Butler
  • September 6, 2015: New photo from Douglas Butler
  • August 17, 2015: New photo from Douglas Butler
  • August 5, 2015: New photo from Luke
  • February 20, 2015: New photo from Douglas Butler
  • December 15, 2014: New Street View added by Douglas Butler
  • August 16, 2014: New photo from Douglas Butler
  • April 2, 2014: New photo from Douglas Butler
  • August 29, 2013: New photo from Douglas Butler
  • August 28, 2013: New photos from Douglas Butler
  • August 26, 2013: New photos from Douglas Butler
  • August 22, 2013: New photo from Douglas Butler
  • August 9, 2013: Updated by Luke Harden: Added categories "Navigable waterway", "Burlington Northern Railroad", "Burlington Northern Santa Fe Railway"
  • August 9, 2013: New Street View added by Dave King
  • August 9, 2013: Added by K. A. Erickson

Sources 

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Comments 

BNSF - Salmon Bay Bridge No. 4
Posted October 16, 2018, by Luke

Cited article says they plan to use a vertical lift.

BNSF - Salmon Bay Bridge No. 4
Posted October 16, 2018, by Douglas Butler

I wonder what bridge they are replacing this Strauss bridge with now?

Bridge 4
Posted August 9, 2013, by K. A. Erickson

Tony, will you do me a favour ... will you do me a kindness? Scan in that postcard I sent you of this bridge and add it here.

Douglas, you can now add your drawings of this here.