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KENT-BLK DIAMOND over BNSF RR

Map

Coordinates:
+47.34106, -122.13075
47°20'28" N, 122°07'51" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:KENT-BLK DIAMOND over BNSF RR
Structure number:084811000000000
Location:AT SE 291ST
Purpose:Carries highway over railroad
Route classification:Minor Arterial (Urban) [16]
Length of largest span:23.0 ft. [7.0 m]
Total length:103.0 ft. [31.4 m]
Roadway width between curbs:23.0 ft. [7.0 m]
Deck width edge-to-edge:24.9 ft. [7.6 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Skew angle:16°
Owner:County Highway Agency [02]
Year built:1931
Year reconstructed:1968
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 13.5 / HS 15 [3]
Main span material:Wood or timber [7]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Bituminous [6]

Latest Available Inspection: March 2018

Good/Fair/Poor Condition:Poor
Status:Open, would be posted or closed except for temporary shoring [D]
Average daily traffic:6,500 [as of 2015]
Truck traffic:6% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Serious [3 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Basically intolerable requiring high priority of corrrective action [3]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:21.8
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$3,496,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2018PoorFairFairSerious650021.8
March 2017PoorFairFairSerious650021.8
April 2016PoorFairFairPoor65002.0
March 2015PoorFairFairPoor65002.0
March 2014PoorFairSatisfactoryPoor60082.0
April 2013PoorFairSatisfactoryPoor60082.0
March 2011PoorFairSatisfactoryPoor1100022.6
July 2010PoorFairSatisfactoryPoor1059323.1
October 2008PoorFairSatisfactoryPoor1059329.1
September 2007PoorPoorSatisfactoryPoor1059326.2
September 2006PoorPoorSatisfactoryPoor540132.7
November 2005PoorFairSatisfactoryPoor540135.1
January 2005PoorFairFairPoor540135.1
June 2003FairGoodSatisfactorySatisfactory495469.8
April 2002PoorPoorSatisfactorySatisfactory517066.6
July 2001PoorPoorSatisfactorySatisfactory517066.6
May 2000PoorPoorGoodGood517067.6
May 1999PoorPoorGoodGood517068.6
June 1998PoorSatisfactoryGoodPoor728341.9
May 1997FairSatisfactoryGoodSatisfactory728371.0
March 1996FairSatisfactoryGoodGood728371.0
October 1994GoodGoodGoodGood728371.1
March 1993PoorFairSatisfactoryPoor728340.9
March 1991FairSatisfactorySatisfactoryGood60075.3