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: March 2014 

Status:Open, no restriction [A]
Average daily traffic:35,177 [as of 2010]
Truck traffic:11% 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:Better than present minimum criteria [7]
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:85.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
March 201485.0Not deficientSatisfactorySatisfactoryGood35177
March 201285.0Not deficientSatisfactorySatisfactoryGood35177
June 200989.8Not deficientSatisfactorySatisfactoryGood35177
June 200789.8Not deficientSatisfactorySatisfactoryGood34829
December 200590.1Not deficientSatisfactorySatisfactoryGood33815
December 200377.9Not deficientSatisfactoryFairGood33815
December 200190.3Not deficientGoodGoodGood32830
December 199993.0Not deficientGoodGoodGood21501
December 199793.0Not deficientGoodGoodGood21500
December 199593.2Not deficientGoodVery GoodGood21500
December 199393.2Not deficientGoodVery GoodGood21500
December 199193.2Not deficientSatisfactoryGoodVery Good21500