Share:

SENECA OFF RAMP over WESTERN AVE

Map 

Coordinates:
+47.60564, -122.33867
47°36'20" N, 122°20'19" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:SENECA OFF RAMP over WESTERN AVE
Structure number:000000QL0000000
Location:4.1 N JCT 509
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:80.1 ft. [24.4 m]
Total length:492.1 ft. [150.0 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:29.5 ft. [9.0 m]
Vertical clearance below bridge:43.0 ft. [13.1 m]
Owner:State Highway Agency [01]
Year built:1959
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:MS 18 / HS 20 [5]
Number of main spans:7
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: March 2016 

Status:Open, no restriction [A]
Average daily traffic:8,400 [as of 2014]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Basically intolerable requiring high priority of corrrective action [3]
Scour condition:Bridge not over waterway. [N]
Operating rating:70.3 tons [63.9 metric tons]
Inventory rating:41.6 tons [37.8 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:72.4

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
March 201672.4Functionally obsoleteSatisfactoryGoodSatisfactory8400
March 201572.4Functionally obsoleteSatisfactoryGoodSatisfactory8410
March 201472.4Functionally obsoleteSatisfactoryGoodSatisfactory8410
March 201372.4Functionally obsoleteSatisfactoryGoodSatisfactory8410
March 201072.3Functionally obsoleteSatisfactoryGoodSatisfactory8714
March 200873.1Functionally obsoleteSatisfactoryGoodSatisfactory4833
March 200673.1Functionally obsoleteSatisfactoryGoodSatisfactory4833
March 200473.1Functionally obsoleteSatisfactoryGoodSatisfactory4833
March 200233.4Functionally obsoleteSatisfactoryGoodSatisfactory4833
February 200053.9Functionally obsoleteSatisfactoryGoodSatisfactory4833
October 199753.9Functionally obsoleteSatisfactoryGoodSatisfactory4833
November 199552.8Functionally obsoleteSatisfactoryGoodSatisfactory4833
December 199352.8Functionally obsoleteSatisfactoryGoodGood4833
September 199153.8Functionally obsoleteSatisfactoryGoodGood4833