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 2016

Good/Fair/Poor Condition:Fair
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201682.3FairGoodSatisfactorySatisfactory-10554
December 201482.3FairGoodSatisfactorySatisfactory-10554
December 201282.3FairGoodSatisfactorySatisfactory-10554
December 201082.3FairSatisfactorySatisfactorySatisfactory-10554
January 200994.5FairGoodSatisfactoryGood-10554
December 200697.6FairSatisfactorySatisfactoryGood-10146
December 200486.3FairSatisfactoryFairGood-10146
February 200396.5FairGoodSatisfactoryGood-10146
February 200194.6FairVery GoodSatisfactoryGood-9700
February 199994.6GoodVery GoodGoodVery Good-9600
February 199794.6GoodVery GoodGoodVery Good-9600
February 199594.5GoodVery GoodGoodVery Good-9600
February 199394.5GoodVery GoodGoodVery Good-9600
February 199196.6GoodVery GoodGoodVery Good-9200

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Reinforced Concrete Closed Web/Box Girderlinear ft.1,25475549450
Reinforced Concrete Top Flangesq. ft.12,54012,540000
Wearing Surfacessq. ft.9,1969,191050
Reinforced Concrete Columneach1211100
Reinforced Concrete Abutmentlinear ft.120001200
Reinforced Concrete Pier Caplinear ft.1701571300
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.418418000