+45.52366, -122.68576
45°31'25" N, 122°41'09" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:NW COUCH ST over HWY 61 NB CONN 2
Structure number:09280 061 00233
Location:0.5 MI W OF PORTLAND CC
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:40.0 ft. [12.2 m]
Total length:44.6 ft. [13.6 m]
Roadway width between curbs:71.9 ft. [21.9 m]
Deck width edge-to-edge:67.6 ft. [20.6 m]
Vertical clearance below bridge:15.7 ft. [4.8 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1968
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Concrete [1]
Main span design:Frame [07]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: July 2015 

Status:Open, no restriction [A]
Average daily traffic:12,100 [as of 2014]
Truck traffic:5% 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: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:78.1 tons [71.0 metric tons]
Inventory rating:60.3 tons [54.8 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:91.8
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$415,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201591.8Functionally obsoleteSatisfactorySatisfactoryGood12100
July 201391.3Functionally obsoleteSatisfactorySatisfactoryGood17274
July 201191.3Functionally obsoleteGoodGoodGood17274
November 200973.9Functionally obsoleteGoodGoodGood17274
November 200773.9Functionally obsoleteGoodGoodGood17103
November 200576.9Functionally obsoleteGoodGoodGood16605
November 200377.0Functionally obsoleteSatisfactoryGoodSatisfactory16121
December 200177.5Functionally obsoleteGoodGoodGood12401
December 199975.5Functionally obsoleteGoodGoodGood12401
December 199773.4Functionally obsoleteVery GoodGoodGood12400
December 199573.7Functionally obsoleteVery GoodGoodGood12400
December 199373.7Functionally obsoleteVery GoodGoodGood12400
December 199173.7Functionally obsoleteGoodGoodGood12400