SW ALDER over HWY 61


+45.52168, -122.68546
45°31'18" N, 122°41'08" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:SW ALDER over HWY 61
Structure number:09282A061 00212
Location:0.1 MI N OF SW YAMHILL
Purpose:Carries highway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:84.0 ft. [25.6 m]
Total length:165.0 ft. [50.3 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:17.4 ft. [5.3 m]
Skew angle:23°
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]
Number of main spans:2
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: July 2015 

Status:Open, no restriction [A]
Average daily traffic:5,786 [as of 2010]
Truck traffic:9% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:74.8 tons [68.0 metric tons]
Inventory rating:44.9 tons [40.8 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:73.8
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$1,649,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201573.8Functionally obsoleteSatisfactoryGoodGood5786
July 201373.8Functionally obsoleteGoodGoodGood5786
July 201173.8Functionally obsoleteGoodGoodGood5786
April 201073.8Functionally obsoleteGoodGoodGood5786
April 200875.3Functionally obsoleteGoodGoodGood5786
April 200678.3Functionally obsoleteSatisfactoryGoodGood5562
April 200478.3Functionally obsoleteSatisfactoryGoodGood5400
March 200268.2Functionally obsoleteGoodVery GoodVery Good86500
March 200069.7Not deficientGoodVery GoodVery Good86500
March 199869.7Not deficientGoodVery GoodVery Good86500
March 199675.6Functionally obsoleteGoodVery GoodVery Good13800
March 199475.6Functionally obsoleteGoodVery GoodVery Good13800
March 199280.7Not deficientGoodVery GoodVery Good13800
March 199080.7Not deficientVery GoodVery GoodVery Good13500