8TH AVE over I-5


+47.61063, -122.33089
47°36'38" N, 122°19'51" 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:13.1 ft. [4.0 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]
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

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2017FairSatisfactorySatisfactoryGood490078.1
April 2015FairSatisfactorySatisfactoryGood400078.3
October 2013FairSatisfactorySatisfactoryGood400078.3
October 2011FairSatisfactorySatisfactoryGood500078.1
October 2009FairSatisfactorySatisfactoryGood500078.1
November 2007FairSatisfactorySatisfactoryGood500078.1
December 2005FairSatisfactorySatisfactoryGood500078.1
December 2003FairSatisfactorySatisfactoryGood500078.1
November 2001FairSatisfactorySatisfactoryGood500078.1
September 1999FairSatisfactorySatisfactoryGood320071.4
June 1997FairSatisfactorySatisfactoryGood320073.4
June 1995FairSatisfactorySatisfactoryGood320073.4
June 1993FairSatisfactorySatisfactoryGood411077.2
April 1991FairSatisfactorySatisfactoryGood411077.2