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 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:4,900 [as of 2014]
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:69.9 tons [63.5 metric tons]
Inventory rating:40.9 tons [37.2 metric tons]
Sufficiency rating:78.1
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$21,303,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201778.1FairSatisfactorySatisfactoryGoodFO4900
April 201578.3FairSatisfactorySatisfactoryGoodFO4000
October 201378.3FairSatisfactorySatisfactoryGoodFO4000
October 201178.1FairSatisfactorySatisfactoryGoodFO5000
October 200978.1FairSatisfactorySatisfactoryGoodFO5000
November 200778.1FairSatisfactorySatisfactoryGoodFO5000
December 200578.1FairSatisfactorySatisfactoryGoodFO5000
December 200378.1FairSatisfactorySatisfactoryGoodFO5000
November 200178.1FairSatisfactorySatisfactoryGoodFO5000
September 199971.4FairSatisfactorySatisfactoryGoodFO3200
June 199773.4FairSatisfactorySatisfactoryGood-3200
June 199573.4FairSatisfactorySatisfactoryGood-3200
June 199377.2FairSatisfactorySatisfactoryGood-4110
April 199177.2FairSatisfactorySatisfactoryGood-4110