US 30 BY (HWY 123) over NE 122ND AVE


+45.55720, -122.53765
45°33'26" N, 122°32'16" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 30 BY (HWY 123) over NE 122ND AVE
Structure number:09059 123 01243
Location:7.0 MI NE PORTLAND CC
Purpose:Carries highway overpass over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:37.4 ft. [11.4 m]
Total length:131.9 ft. [40.2 m]
Roadway width between curbs:56.1 ft. [17.1 m]
Deck width edge-to-edge:64.0 ft. [19.5 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:20°
Owner:State Highway Agency [01]
Year built:1962
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:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: September 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:19,200 [as of 2014]
Truck traffic:9% of total traffic
Deck condition:Good [7 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:Superior to present desirable criteria [9]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:29.3 tons [26.6 metric tons]
Inventory rating:22.4 tons [20.4 metric tons]
Sufficiency rating:78.5
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$1,408,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201578.5FairGoodSatisfactoryGoodFO19200
October 201378.5FairSatisfactorySatisfactoryGoodFO17500
September 201178.5FairSatisfactorySatisfactoryGoodFO17500
November 200978.5FairSatisfactoryGoodGoodFO18400
November 200780.5FairSatisfactoryGoodGood-18849
November 200598.0FairSatisfactoryGoodGood-18300
November 200398.0FairSatisfactoryGoodGood-18500
November 200198.0FairSatisfactoryVery GoodVery Good-18300
November 199996.0GoodGoodVery GoodVery Good-16401
November 199796.0GoodGoodVery GoodVery Good-16400
November 199594.0GoodGoodVery GoodVery GoodFO21900
November 199394.0GoodGoodVery GoodVery GoodFO21900
November 199192.0GoodGoodVery GoodVery GoodFO21900

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Reinforced Concrete Stringerlinear ft.132013200
Reinforced Concrete Floor Beamlinear ft.2421030
Reinforced Concrete Columneach2518610
Reinforced Concrete Abutmentlinear ft.136131500
Reinforced Concrete Pier Caplinear ft.202194710
Other Jointlinear ft.136001360
Other Bearingeach33000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.264256800
Reinforced Concrete Slabsq. ft.8,4487,96448400