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N-W RAMP over RAILROAD

Map 

Coordinates:
+47.55255, -122.31883
47°33'09" N, 122°19'08" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:N-W RAMP over RAILROAD
Structure number:0007930A0000000
Location:4.1 N JCT SR 900
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:115.2 ft. [35.1 m]
Total length:291.0 ft. [88.7 m]
Roadway width between curbs:21.0 ft. [6.4 m]
Deck width edge-to-edge:25.6 ft. [7.8 m]
Vertical clearance below bridge:29.9 ft. [9.1 m]
Owner:State Highway Agency [01]
Year built:1967
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: April 2017 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:3,978 [as of 2012]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:69.9 tons [63.5 metric tons]
Inventory rating:40.9 tons [37.2 metric tons]
Sufficiency rating:92.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,841,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201792.8FairSatisfactoryGoodGood-3978
April 201591.8FairSatisfactoryGoodGood-3978
October 201391.8FairSatisfactoryGoodGood-3978
October 201191.8FairSatisfactoryGoodGood-4138
October 200991.7FairSatisfactoryGoodGood-4416
November 200791.6GoodGoodGoodGood-4683
October 200591.6GoodGoodGoodGood-4683
December 200391.6GoodGoodGoodGood-4683
September 200191.6GoodGoodGoodGood-4683
September 199992.6GoodGoodGoodGood-4591
June 199792.6GoodGoodGoodGood-4591
November 199590.3GoodGoodGoodGood-4591
June 199393.1GoodGoodGoodGood-2830
April 199163.6PoorPoorPoorGoodSD2830