S JACKSON ST over Parking garage


+47.59920, -122.32861
47°35'57" N, 122°19'43" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:S JACKSON ST over Parking garage
Structure number:085048000000000
Location:S Jackson St EO 4th Ave S
Route classification:Minor Arterial (Urban) [16]
Length of largest span:23.0 ft. [7.0 m]
Total length:143.1 ft. [43.6 m]
Roadway width between curbs:55.4 ft. [16.9 m]
Deck width edge-to-edge:89.9 ft. [27.4 m]
Owner:City or Municipal Highway Agency [04]
Year built:1910
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 22.5 / HS 25 [9]
Number of main spans:7
Main spans material:Concrete continuous [2]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: August 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:22,300 [as of 2015]
Truck traffic:10% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:72.4
Estimated cost of work:$500,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2016FairFairSatisfactoryGood2230072.4
August 2014FairSatisfactorySatisfactoryGood1980971.7
September 2012FairSatisfactorySatisfactoryGood1980971.7
December 2011FairSatisfactorySatisfactoryGood1980974.7
November 2010FairSatisfactorySatisfactoryGood1980976.8
December 2008FairSatisfactorySatisfactoryGood1830097.3
September 2006FairSatisfactorySatisfactoryGood1830097.3
August 2005GoodGoodGoodGood1830097.3
August 2003GoodGoodVery GoodGood1630097.5
July 2002GoodGoodVery GoodVery Good1630097.5
August 2000GoodGoodVery GoodVery Good1310097.8
July 1999GoodGoodVery GoodVery Good1310097.8
September 1998GoodGoodVery GoodVery Good1310097.8
June 1995GoodGoodGoodGood1310098.0
July 1991GoodGoodGoodGood1310098.0