I-405 (HWY 061) SB over CITY STREETS


+45.53261, -122.68730
45°31'57" N, 122°41'14" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-405 (HWY 061) SB over CITY STREETS
Structure number:09268S061 00284
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:196.9 ft. [60.0 m]
Total length:2384.0 ft. [726.6 m]
Roadway width between curbs:52.2 ft. [15.9 m]
Deck width edge-to-edge:55.4 ft. [16.9 m]
Vertical clearance above deck:19.0 ft. [5.8 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1972
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:6
Main spans material:Steel continuous [4]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: March 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:122,400 [as of 2014]
Truck traffic:7% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 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:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:59.8 tons [54.4 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:78.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201678.0FairFairSatisfactorySatisfactory-122400
November 201378.0FairFairSatisfactorySatisfactory-56700
April 201378.0FairFairSatisfactorySatisfactory-56700
April 201178.0FairFairSatisfactorySatisfactory-56700
February 200976.0FairFairSatisfactorySatisfactory-56700
January 200976.0FairFairSatisfactorySatisfactory-57267
December 200676.0FairFairSatisfactorySatisfactory-56300
December 200577.0FairSatisfactorySatisfactorySatisfactory-56300
December 200377.0FairSatisfactorySatisfactorySatisfactory-55350
December 200178.0FairSatisfactoryGoodGood-54500
December 199978.0FairSatisfactoryGoodGood-47001
December 199780.0GoodGoodGoodGood-47000
December 199580.0GoodGoodGoodGood-40400
December 199380.0GoodGoodGoodGood-40400
December 199180.0GoodGoodGoodVery Good-40400