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

Good/Fair/Poor Condition:Fair
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]
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201573.8FairSatisfactoryGoodGoodFO5786
July 201373.8GoodGoodGoodGoodFO5786
July 201173.8GoodGoodGoodGoodFO5786
April 201073.8GoodGoodGoodGoodFO5786
April 200875.3GoodGoodGoodGoodFO5786
April 200678.3FairSatisfactoryGoodGoodFO5562
April 200478.3FairSatisfactoryGoodGoodFO5400
March 200268.2GoodGoodVery GoodVery GoodFO86500
March 200069.7GoodGoodVery GoodVery Good-86500
March 199869.7GoodGoodVery GoodVery Good-86500
March 199675.6GoodGoodVery GoodVery GoodFO13800
March 199475.6GoodGoodVery GoodVery GoodFO13800
March 199280.7GoodGoodVery GoodVery Good-13800
March 199080.7GoodVery GoodVery GoodVery Good-13500