I-405 (HWY 061) CO over SB 61 TO FREMONT BR


+45.54440, -122.67697
45°32'40" N, 122°40'37" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I-405 (HWY 061) CO over SB 61 TO FREMONT BR
Structure number:08958I061 00388
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:188.0 ft. [57.3 m]
Total length:1038.1 ft. [316.4 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:43.6 ft. [13.3 m]
Vertical clearance above deck:18.0 ft. [5.5 m]
Owner:State Highway Agency [01]
Year built:1973
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:5
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: February 2017 

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:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:32.5 tons [29.5 metric tons]
Inventory rating:25.0 tons [22.7 metric tons]
Sufficiency rating:74.2

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201774.2FairSatisfactorySatisfactoryGood-122400
March 201485.0FairSatisfactorySatisfactoryGood-35177
March 201285.0FairSatisfactorySatisfactoryGood-35177
June 200989.8FairSatisfactorySatisfactoryGood-35177
June 200789.8FairSatisfactorySatisfactoryGood-34829
December 200590.1FairSatisfactorySatisfactoryGood-33815
December 200377.9FairSatisfactoryFairGood-33815
December 200190.3GoodGoodGoodGood-32830
December 199993.0GoodGoodGoodGood-21501
December 199793.0GoodGoodGoodGood-21500
December 199593.2GoodGoodVery GoodGood-21500
December 199393.2GoodGoodVery GoodGood-21500
December 199193.2FairSatisfactoryGoodVery Good-21500