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14/16TH AVE S over DUWAMISH RIVER

This bridge is no longer in the current National Bridge Inventory database, and has likely been demolished or abandoned.

Map

Coordinates:
+47.52988, -122.31390
47°31'48" N, 122°18'50" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:14/16TH AVE S over DUWAMISH RIVER
Structure number:084337000000000
Location:.8 MI N OF SHW-99
Purpose:Carries highway and pedestrian walkway over highway and waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:240.2 ft. [73.2 m]
Total length:1285.2 ft. [391.7 m]
Roadway width between curbs:38.1 ft. [11.6 m]
Deck width edge-to-edge:51.2 ft. [15.6 m]
Vertical clearance below bridge:80.1 ft. [24.4 m]
Owner:County Highway Agency [02]
Year built:1931
Historic significance:Bridge is on the National Register of Historic Places [1]
Design load:MS 13.5 / HS 15 [3]
Number of main spans:5
Main spans material:Steel [3]
Main spans design:Movable - Bascule [16]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: June 2009

Good/Fair/Poor Condition:Poor
Status:Bridge closed to all traffic [K]
Average daily traffic:20,000 [as of 2010]
Deck condition:Poor [4 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Serious [3 out of 9]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Pier/abutment protection:In place but in a deteriorated condition [3]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:2.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,302,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2009PoorPoorFairSerious200002.0
June 2008PoorPoorFairSerious200004.0
June 2007PoorPoorFairSerious200004.0
July 2006PoorPoorFairSerious200004.0
June 2005PoorPoorFairSerious200004.0
September 2004PoorPoorFairSerious18248.1
October 2003PoorPoorFairSerious18248.1
August 2002PoorFairFairSerious189616.0
August 2001PoorFairFairSerious189616.0
August 2000PoorFairFairPoor1896118.5
May 1999FairSatisfactorySatisfactoryFair1896136.4
November 1998FairSatisfactorySatisfactorySatisfactory2350046.9
August 1997FairSatisfactorySatisfactorySatisfactory2350046.9
October 1996FairSatisfactoryGoodSatisfactory2350046.9
October 1994PoorSeriousFairPoor2350013.5
March 1992PoorSeriousFairPoor1600013.5