8TH AVE over I-5


+47.61118, -122.33126
47°36'40" N, 122°19'53" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:8TH AVE over I-5
Structure number:0007409A0000000
Location:1.3 N JCT I-90
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:144.0 ft. [43.9 m]
Total length:859.0 ft. [261.8 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:39.0 ft. [11.9 m]
Vertical clearance below bridge:15.7 ft. [4.8 m]
Owner:State Highway Agency [01]
Year built:1964
Year reconstructed:1987
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:9
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:4,000 [as of 2002]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
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:69.3 tons [63.0 metric tons]
Inventory rating:40.6 tons [36.9 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:78.3

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201578.3Functionally obsoleteSatisfactorySatisfactoryGood4000
October 201378.3Functionally obsoleteSatisfactorySatisfactoryGood4000
October 201178.1Functionally obsoleteSatisfactorySatisfactoryGood5000
October 200978.1Functionally obsoleteSatisfactorySatisfactoryGood5000
November 200778.1Functionally obsoleteSatisfactorySatisfactoryGood5000
December 200578.1Functionally obsoleteSatisfactorySatisfactoryGood5000
December 200378.1Functionally obsoleteSatisfactorySatisfactoryGood5000
November 200178.1Functionally obsoleteSatisfactorySatisfactoryGood5000
September 199971.4Functionally obsoleteSatisfactorySatisfactoryGood3200
20000.0Not applicable---197123
June 199773.4Not applicableSatisfactorySatisfactoryGood3200
June 199573.4Not deficientSatisfactorySatisfactoryGood3200
June 199377.2Not deficientSatisfactorySatisfactoryGood4110
April 199177.2Not deficientSatisfactorySatisfactoryGood4110