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NW COUCH ST over HWY 61 NB CONN 2

Map

Coordinates:
+45.52366, -122.68576
45°31'25" N, 122°41'09" W

Facts

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:66.9 ft. [20.4 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

Good/Fair/Poor Condition:Fair
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]
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201591.8FairSatisfactorySatisfactoryGoodFO12100
July 201391.3FairSatisfactorySatisfactoryGoodFO17274
July 201191.3GoodGoodGoodGoodFO17274
November 200973.9GoodGoodGoodGoodFO17274
November 200773.9GoodGoodGoodGoodFO17103
November 200576.9GoodGoodGoodGoodFO16605
November 200377.0FairSatisfactoryGoodSatisfactoryFO16121
December 200177.5GoodGoodGoodGoodFO12401
December 199975.5GoodGoodGoodGoodFO12401
December 199773.4GoodVery GoodGoodGoodFO12400
December 199573.7GoodVery GoodGoodGoodFO12400
December 199373.7GoodVery GoodGoodGoodFO12400
December 199173.7GoodGoodGoodGoodFO12400

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Substructure
Reinforced Concrete Abutmentlinear ft.135130500
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.9090000
Deck
Reinforced Concrete Slabsq. ft.3,0071,835891,0830
Wearing Surfacessq. ft.2,4602,460000