Share:

SW ALDER over HWY 61

Map

Coordinates:
+45.52168, -122.68546
45°31'18" N, 122°41'08" W

Facts

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

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Closed Web/Box Girderlinear ft.1671501700
Steel Protective Coatingsq. ft.6,8485,8186853450
Steel Girder/Beamlinear ft.1,4681,30816000
Steel Protective Coatingsq. ft.15,15213,0121,5156250
Deck
Reinforced Concrete Decksq. ft.12,4679,4802,98520
Concrete Protective Coatingsq. ft.10,86710,867000
Superstructure
Steel Pin or Pin & Hangar Assemblyeach55000
Steel Protective Coatingsq. ft.5858000
Substructure
Reinforced Concrete Columneach20200
Reinforced Concrete Abutmentlinear ft.265265000
Reinforced Concrete Pier Caplinear ft.6306300
Joints
Compression Jointlinear ft.37723913800
Bearings
Movable Bearingeach1601600
Fixed Bearingeach2102100
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.355035500