N AINSWORTH ST over I-5 (HWY 001)


+45.56638, -122.67862
45°33'59" N, 122°40'43" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:N AINSWORTH ST over I-5 (HWY 001)
Structure number:09000 001 30468
Location:3.2 MI N OF BURNSIDE BR
Purpose:Carries highway over highway
Route classification:Local (Urban) [19]
Length of largest span:59.4 ft. [18.1 m]
Total length:209.0 ft. [63.7 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:60.0 ft. [18.3 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1964
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:4
Main spans material:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: December 2014 

Status:Open, no restriction [A]
Average daily traffic:10,554 [as of 2010]
Truck traffic:1% of total traffic
Deck condition:Good [7 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:Equal to present minimum criteria [6]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:36.0 tons [32.7 metric tons]
Inventory rating:27.8 tons [25.3 metric tons]
Sufficiency rating:82.3

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201482.3Not deficientGoodSatisfactorySatisfactory10554
December 201282.3Not deficientGoodSatisfactorySatisfactory10554
December 201082.3Not deficientSatisfactorySatisfactorySatisfactory10554
January 200994.5Not deficientGoodSatisfactoryGood10554
December 200697.6Not deficientSatisfactorySatisfactoryGood10146
December 200486.3Not deficientSatisfactoryFairGood10146
February 200396.5Not deficientGoodSatisfactoryGood10146
February 200194.6Not deficientVery GoodSatisfactoryGood9700
February 199994.6Not deficientVery GoodGoodVery Good9600
February 199794.6Not deficientVery GoodGoodVery Good9600
February 199594.5Not deficientVery GoodGoodVery Good9600
February 199394.5Not deficientVery GoodGoodVery Good9600
February 199196.6Not deficientVery GoodGoodVery Good9200