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 

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]
Evaluation:Functionally obsolete [2]
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. ratingEvaluationDeckSuper.Sub.ADT
September 201578.5Functionally obsoleteGoodSatisfactoryGood19200
October 201378.5Functionally obsoleteSatisfactorySatisfactoryGood17500
September 201178.5Functionally obsoleteSatisfactorySatisfactoryGood17500
November 200978.5Functionally obsoleteSatisfactoryGoodGood18400
November 200780.5Not deficientSatisfactoryGoodGood18849
November 200598.0Not deficientSatisfactoryGoodGood18300
November 200398.0Not deficientSatisfactoryGoodGood18500
November 200198.0Not deficientSatisfactoryVery GoodVery Good18300
November 199996.0Not deficientGoodVery GoodVery Good16401
November 199796.0Not deficientGoodVery GoodVery Good16400
November 199594.0Functionally obsoleteGoodVery GoodVery Good21900
November 199394.0Functionally obsoleteGoodVery GoodVery Good21900
November 199192.0Functionally obsoleteGoodVery GoodVery Good21900