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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 2015 

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:69.3 tons [63.0 metric tons]
Inventory rating:40.6 tons [36.9 metric tons]
Sufficiency rating:91.8

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201591.8Not deficientSatisfactoryGoodGood3978
October 201391.8Not deficientSatisfactoryGoodGood3978
October 201191.8Not deficientSatisfactoryGoodGood4138
October 200991.7Not deficientSatisfactoryGoodGood4416
November 200791.6Not deficientGoodGoodGood4683
October 200591.6Not deficientGoodGoodGood4683
December 200391.6Not deficientGoodGoodGood4683
September 200191.6Not deficientGoodGoodGood4683
September 199992.6Not deficientGoodGoodGood4591
June 199792.6Not deficientGoodGoodGood4591
November 199590.3Not deficientGoodGoodGood4591
June 199393.1Not deficientGoodGoodGood2830
April 199163.6Structurally deficientPoorPoorGood2830