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N-SENECA RAMP over I-5 SB & CITY STREETS

Map 

Coordinates:
+47.60667, -122.33000
47°36'24" N, 122°19'48" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:N-SENECA RAMP over I-5 SB & CITY STREETS
Structure number:0007110H0000000
Location:1.0 N JCT I-90
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:95.1 ft. [29.0 m]
Total length:972.2 ft. [296.3 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:15.4 ft. [4.7 m]
Owner:State Highway Agency [01]
Year built:1964
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:12
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: July 2015 

Status:Open, no restriction [A]
Average daily traffic:9,991 [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:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:47.5 tons [43.2 metric tons]
Inventory rating:27.7 tons [25.2 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:87.1

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201587.1Functionally obsoleteSatisfactoryGoodGood9991
August 201390.9Not deficientSatisfactoryGoodGood11649
August 201190.9Not deficientSatisfactoryGoodGood11649
August 200990.9Not deficientSatisfactoryGoodGood11626
July 200788.8Not deficientSatisfactoryGoodGood12046
October 200588.8Not deficientSatisfactoryGoodGood12046
December 200385.8Not deficientSatisfactoryGoodGood12046
September 200185.8Not deficientSatisfactorySatisfactoryGood12046
September 199986.2Not deficientSatisfactorySatisfactoryGood9548
20000.0Not applicable---197123
June 199786.2Not deficientSatisfactorySatisfactoryGood9548
June 199576.6Not deficientSatisfactorySatisfactoryGood9548
June 199394.6Not deficientSatisfactorySatisfactoryGood9220
April 199192.6Not deficientSatisfactorySatisfactoryGood9220